Switches & Controls
More informationAt Global Parts automotive store we offer a wide selection of original used car parts including switches, controls and ignitions for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The switches, controls and ignitions we offer undergo quality control so that you can be sure that you are getting a top-class product.
Make
Category
Condition
In Stock
Price
-15%
Part no. 7513248-1
Mini R50 R52 Lever Knob Handle Leather Automatic Chrome 7513248
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 1K0959565H
Electric Mirrors Switch VW Golf Mk5 Passat B6 Adjustment Knob Heating 1K0959565H
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9290729-1
BMW F45 X1 F48 Seat Switch Release Adjustment Backrest Right O/S Button 9290729
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 6R0820045G
VW Polo Mk5 6R A/C Air Condition Heater Climate Control Switch Panel 6R0820045G
€32.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 9347412
BMW X6 F16 Seat Switch Panel Adjust Control Unit Left N/S 9347412
€85.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 7355861650
Citroen Relay Fiat Ducato Dashboard Panel Switch Button Control Unit 7355861650
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 4F0959855
Audi A3 8P A6 C6 Rear Window Lifter Switch Passenger Left Right N/O/S 4F0959855A
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 18K574AD
Ford Transit Mk7 Switch Button Heated Rear Window Switch 18K574AD
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. A2059056707
Mercedes W205 Switch Dynamic Dashboard Panel Right O/S A2059056707
€28.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A2048701058
Mercedes W204 Hazard Warning Switch Button Control Unit A2048701058
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 1K0953513A
VW Touran 1T Steering Column Indicator Stalk Control Unit Switch 1K0953513A
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 6R0927117
VW Volkswagen Polo 6R 5 ESP Switch Traction Control Button Unit 6R0927117
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 8P0927134D
Audi A3 8P ESP Traction Stability Switch Control Button 8P0927134D
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 4G0959851
Audi Q3 8U Window Lifter Electric Switch Button Control Unit 4G0959851
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 3C8941431B
VW Volkswagen New Beetle Front Lamp Headlight Switch Control Adjuster 3C8941431B
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 9253182
BMW F12 Door Panel Switch Windows Mirror Adjustment Switch 9253182
€42.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 4M0959565Q
Audi A4 B9 Front Mirror Control Adjustment Switch Driver's Side 4M0959565Q
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. A9079000005
Mercedes W907 Media Control Panel A9079000005
Promo price
€61.95
€52.66
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9225608
BMW F20 F21 F30 Cover Trim Multifunction Switch Basic Steering Wheel 9225608
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 6R0959621
VW Volkswagen Polo 6R 5 Switch Button Heated Rear Window Unit 6R0959621
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 8T0919173A
Audi A5 8T Mirror Switch Optic Light For Folding Mirrors 8T0919173A
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 7P6959538
VW Touareg 7P Steering Wheel Multifunction Switch Control Panel 7P6959538
€51.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 6971628
BMW E65 E66 E67 Switch Memory Seat Heating Right O/S 6918403
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. A2138200401
Mercedes W205 W213 USB SD Card Port Multimedia Connector Unit A2138200401
€56.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 8200022569
Renault Trafic Headlight Level Adjuster Switch Light Control Unit 8200022569
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A2218701558
Mercedes W221 Instrument Cluster Switch ESP Suspension Control Unit A2218701558
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 8U0959565C
Audi Q3 8U Wing Mirror Adjustment Switch Control Unit Knob 8U0959565C
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9226265-1
BMW F21 F22 F23 F34 LCI Driver's Side Switch Window Lifter 9226265
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-40%
Part no. 3414353-2
BMW X3 E83 Driver's Side O/S Window Lifter Switch Black 3414353
Promo price
€61.95
€37.17
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 5N0827566T
Audi A5 8T A6 C7 Rear Tailgate Bootlid Release Handle Switch 5N0827566T
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9163032
BMW F10 F12 F13 F01 F02 F03 Multifunction Switch Steering Wheel 9163032
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. A2118701726
Mercedes C209 Front Left N/S Seat Switch Control Module Unit A2118701726
Promo price
€108.95
€92.61
Free delivery - Tue, Dec 02
If paid before 14:00
-40%
Part no. 6965274
Steering Column BMW E81 E87 E91 Switch Cluster Indicator Wiper Stalk 6965274
Promo price
€89.95
€53.97
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. 6C1118549BB
Ford Transit Mk7 Heater Climate Control Unit A/C Panel Switch 6C11-18549-BB
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9361937
BMW 3 Series F30 F31 LCI Switch Power Window Rear Left Right N/O/S 9361937
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 8K0959565B
Audi A4 B8 8K Switch Electric Mirrors Adjustment Rotary Switch 8K0959565
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 8V0925301AT
Audi A3 8V Start Stop Hazard Traction Screen Switch Button Panel 8V0925301AT
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 8P0927134B
Audi A3 8P Switch ESP Brake Traction Control Button Unit 8P0927134B
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. A2469057902
Dashboard Panel Mercedes W176 W246 Switch Dynamic Select Start/Stop A2469057902
Promo price
€28.95
€24.61
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A2129050651
Mercedes W204 W207 W212 Headlight Switch Unit Button A2129050651
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 5A56079
BMW F45 X1 F48 X2 F39 X5 F15 Radio Remote Control Key Fob Button Switch 5A56079
€47.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 4F0953549D-1
Indicator Wiper Audi Q7 4L A6 C6 Cruise Control Stalk Switch Assembly 4F0953549D
€47.95
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. 9287340-4
BMW F30 F31 Control Panel A/C Air Conditioning Radio Audio FBM Module Chrome
Promo price
€47.95
€40.76
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. A2129007619
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2129007619
Promo price
€33.95
€28.86
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 7389107
Mini Clubman F54 Front Window Lifter Switch Panel Trim Black Chrome 7389107
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 7945216
BMW F40 Switch Control Power Window Lifter Button Rear Right O/S Trim
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 4G8953502AA-1
Audi A5 8T Combination Wipers Indicator Cruise Stalk Squib Ring 4G8953502AA
€113.95
Free delivery - Tue, Dec 02
If paid before 14:00
-40%
Part no. A1679050001
Switch Mercedes W177 Front Drivers Door Window Lifter Switch Mirror Adjustment
Promo price
€51.95
€31.17
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 9371459
Control Panel Switch BMW F39 F48 Automatic Air Conditioning 9371459
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
-40%
Part no. 8V0925301NN
Audi S3 8V Hazard ESP Drive Mode Button Switch Block Panel 8V0925301NN
Promo price
€42.95
€25.77
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A2218210151
Mercedes-Benz S W221 Switch Panel Door Locking Button Right O/S A2218213051
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. A2079054900
Mercedes W207 Switch Panel Heated Seats PDC ECO Control Unit A2079054900
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A2108202210
Mercedes-Benz CLK E Class W208 W210 Headlamp Cleaning Washer Switch A2108202210
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. A2469001309
Multimedia Controller Mercedes W176 W246 Switch Button Control Unit A2469001309
Promo price
€32.95
€28.01
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 4H0962108B
Audi A8L 4H Central Lock Switch Door Locking Button Front Right O/S 4H0962108B
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 6944884
BMW E60 E61 E63 E64 iDrive Controller Navigation Radio Switch 6934259
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 6Q0927189
Seat Ibiza 6J Clutch Pedal Control Sensor Switch 6Q0927189
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 6949754
BMW E46 X5 E53 Steering Wheel Multifunction Panel Button Switch 6949754
Product currently unavailable
-5%
Part no. 7318451
BMW 1 4 Series F21 F22 F32 F33 F83 LCI Switch Window Lifter Trim Passenger N/S
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9216047-1
BMW X1 E84 Driver's Side Window Lifter Switch Control Unit 9216047
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 95B962126C
Porsche Macan S 95B-2 Central Locking Switch Control Panel 95B962126C
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. 80A419506K
Audi Q5 FY 2.0 TDI Electric Power Steering Column 80A419506K
Promo price
€66.95
€56.91
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 8U0959674C
Audi Q3 8U Parking Distance Control PDC Switch Button Panel 8U0959674C
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 8K0959673L
Audi A5 8T A4 B8 Centre Console Engine Auto Start Stop Switch Button 8K0959673L
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9250734-5
Start Stop Switch BMW F20 F21 F22 F30 F31 Engine Button 9250734
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A2139050204
Seat Switch Mercedes W213 W238 Heater Heated Control Rear Left N/S A2139050204
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 8K0941531AS
Audi A4 B8 A5 8T Headlight Switch Control Panel Fog Light Unit 8K0941531AS
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. H1BT-14K147-BB
Ford Fiesta Mk7 Steering Wheel Switches Multifunction Button Covering Trim
€94.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9208106-1
BMW 1 3 4 Series 1 F20 F30 F31 F80 F83 LCI Switch Window Lifter Schwarz Black
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 8V0959855A
Audi A3 8V Electric Window Regualtor Button Switch 8V0959855A
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9225608-3
Steering Wheel Multifunction Switch BMW F20 F21 F30 Basic Button 9225608
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. 9179913
BMW F10 F11 Window Lifter Switch Control Power Fold Operating Unit 9179913
Promo price
€37.95
€32.26
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 9220042
BMW F02 Assist Control Switch Driver Assistance System Button 9220042
€47.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 96366692XT
Peugeot 3008 Headlight Level Adjuster Switch Light Control Unit 96366692XT
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A2129056200
Trunk Switch Mercedes W204 W212 Tailgate Lid Remote Control Button A2129056200
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A2059051403
Mercedes A205 Rear Seat Switch Bench Couch Adjustment Button A2059051403
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A1669054300-2
Mercedes W176 Electric Window Regulator Driver's Side Switch A1669054300
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 8V0925301HG
Audi A3 8V Hazard Light Switch Drive Mode Dashboard Control Panel 8V0925301HG
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 9217594-3
BMW F10 F11 F12 Parking Brake Electric Switch Hold Button 9217594
€23.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A2048706310-1
Mercedes W204 Locking Switch Button Front Door Left N/S A2048706310
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. A9065402545
Mercedes-Benz Sprinter W906 Steering Wheel Slip Ring Airbag Squib A9065402545
€42.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 6826751
BMW G30 Switch Seat Control Front Right O/S Memory Button 6826751
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 4E0953503C
Audi A6 C6 Wiper Stalk Control Arm Switch Control 4E0953503C
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9176681-1
BMW Z4 E89 Cabrio Convertible Key Reader Ignition Lock Remote Control 9176681
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. 4M0941531AA
Audi A4 A5 B9 Headlight Headlamp Control Switch 4M0941531AA
Promo price
€66.95
€56.91
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 4H0959565
Audi TT 8J Front Door Drivers Window Switch Mirrors Control Buttons 4H0959565
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. 5K0953521BL
Skoda Octavia Mk2 Switch Wiper Indicator Cruise Control Stalk 5K0953521BL
€32.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9318704
BMW F15 X5M F85 F16 X6M F86 Trunk Lid Release Button 9318704
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9195180
Switch Panel BMW X1 E84 Centre Console Dashboard PDC DTC Unit 9195180
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. A2059057909
Mercedes W205 Switch Driving Assistance Mode Driver Side Console A2059057909
€28.95
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A0005452812
Mercedes W177 Brake Light Switch Button A0005452812
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. A2229052203-1
Window Switch Mercedes W205 W447 Lifter Button Left Right N/O/S A2229052203
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 8V0925301DK
Audi A3 8V Interior Traction Control Hazard Switch Button Panel 8V0925301DK
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9371374
BMW 1 3 5 Series F10 F20 F30 iDRIVE Control Unit Controller Touch 9371374
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-40%
Part no. 9270379
BMW 5 7 Series F01 F02 F10 LCI Front Left Seat Adjustment Switch N/S 9270379
Promo price
€94.95
€56.97
Free delivery - Tue, Dec 02
If paid before 14:00
Part no. A1779051001
Start Stop Switch Mercedes W177 W247 W907 Engine Button Unit A1779051001
€28.95
Free delivery - Tue, Dec 02
If paid before 14:00
-15%
Part no. 9316952-1
BMW F20 F30 Cover Trim Multifunction Switch Steering Wheel Control Unit 9316952
Promo price
€104.95
€89.21
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 9265304
Headlight Switch Panel BMW F20 F22 F30 Lamp Adjustment Control Unit 9265304
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
-5%
Part no. 6919506
BMW E60 E61 X1 E84 X5 E70 X3 E83 Switch Hazard Warning Central Locking 6919506
Promo price
€23.95
€22.75
Free delivery - Tue, Dec 02
If paid before 14:00
Switches and ignition systems for reliable vehicle control
Reliable switches and ignitions for effortless vehicle control
Switches, controls and ignitions are key components of a vehicle's electrical and mechanical systems, which allow the driver to control various functions of the car. Properly functioning switches and ignitions provide convenience of use and safety in everyday use of the car. In the Global Parts automotive store you will find a wide selection of used car parts, including switches, controls and ignitions, perfectly matched to brands such as BMW, Audi , Mercedes, Volkswagen, Mini and others .
What are the functions of switches, controls and ignitions ?
Switches, controls and ignitions play a key role in vehicle operation:
- Controlling vehicle functions – Allows you to control lights, wipers, air conditioning, windows and radio.
- Starting your vehicle – Ignition switches allow you to safely turn the ignition on and off, often with additional safety features.
- Security – Steering locks in the ignition and electronic security protect the vehicle against theft.
- Operating comfort – Ergonomically designed switches and controls make everyday use of the car easier. Used switches, controls and ignitions are a practical solution that allows you to restore the full functionality of your vehicle in a cost-effective way.
Why is it important to take care of switches, controls and ignitions ?
Damaged or neglected switches and ignitions can lead to vehicle handling problems and reduced driving comfort. Typical problems include:
- Sticky Switches – Makes it difficult to control vehicle functions such as lights and wipers.
- Ignition switch failure – This can prevent your vehicle from starting or cause electrical problems.
- Worn Controls – Loose or damaged controls can cause noise and improper operation.
- Electrical Problems – Damaged wiring or contacts can lead to failure of critical systems. If you need replacement, choose used car parts, which will ensure durability and reliability at an affordable price.
How to choose the right switches, controls and ignitions ?
When selecting switches, controls and ignitions there are several key aspects to consider:
- Matching your vehicle model – At Global Parts you will find switches, controls and ignition switches that are perfectly matched to your BMW, Audi, Volkswagen, Mercedes, Mini and more .
- Technical condition – Used switches, controls and ignitions should operate smoothly, be free from mechanical damage and signs of wear.
- Compatibility with vehicle systems – Make sure parts are compatible with your vehicle's electronics and functions.
- Additional features – Check if the items you select support features such as backlighting, programmable settings, or advanced security.
How to take care of switches, controls and ignitions ?
To ensure that these components function reliably for a long time, it is worth following a few rules:
- Regular cleaning – Remove dust and dirt, especially in areas subject to heavy use.
- Check the mechanisms – Make sure the switches operate smoothly and the ignition switches do not show any signs of sticking.
- Checking the electrical system – Regularly check the condition of wires and connections to prevent power problems.
- Repair on time - In case of damage, choose used car parts, which will provide full functionality and safety. High quality car parts will allow for longer and trouble-free operation.
Summary: Switches, Controls and Ignition Switches at Global Parts Automotive Store
Switches, controls and ignitions are important components that affect the functionality and safety of your vehicle. By taking care of their technical condition, you can improve the comfort of use and avoid costly repairs. The Global Parts automotive store cordially invites you to familiarize yourself with our wide range of original used car parts . Regardless of whether you are looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini and others - you will find them with us at competitive prices. We make every effort to ensure that every customer finds the right parts for their car/vehicle with us, and in case of any questions or doubts related to the selection of the right components, we will be happy to help! Please contact us - we are here to help you! For more information and curiosities, we also invite you to our automotive blog .