Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Control Units
/EDL) At left side of engine compartment. Access/Start Control Module Under driver's seat. Air Bag Control Module Below center of dash, on transmission tunnel. Battery Monitoring Control Module Right side of luggage compartment. Central Control Module (Comfort System) In luggage compartment, behind battery. Climatronic Control Module Front of center console. Data Bus On Board Diagnostic Interface Behind glove compartment. Door Control Module (Driver Side) Integrated in driver's door window regulator motor. Door Control Module (Left Rear) Integrated in left rear door window regulator motor. Door Control Module (Passenger Side ) Integrated in right front door window regulator motor. Door Control Module (Right Rear) Integrated in right rear door window regulator motor. Electronic Parking Brake Control Module Right side of luggage compartment, under battery. Energy Management Control Module At left side of luggage compartment, behind side trim. Engine Control Module On passenger's side plenum chamber E-box. Fresh Air Blower Control Module At right rear of engine compartment, next to fresh air blower motor. Front Information Display Control Head Control Module Behind glove compartment. Garage Door Opener Control Module Behind right front bumper. Headlight Beam Adjusting Control Module Behind instrument cluster. Headlight Range Control Module Behind instrument cluster. High Intensity Gas Discharge Lamp Control Module (Left/Right) Behind respective headlight assembly. Inclination-/Anti-Theft Control Module Under right side of rear seat. Level Control System Control Module Behind glove compartment. Multifunction Steering Wheel Control Module In steering wheel. Navigation Control Module W/CD Left side of trunk, behind trim. Parking Aid Control Module Below CD changer unit on left side of luggage compartment. Rear Lid Control Module Right rear of luggage compartment. Rear Lid Tail Light Control Module (Left) In left rear lid taillight. Rear Lid Tail Light Control Module (Right) In right rear lid taillight. Rear Tail Light Control Module (Left) In left taillight. Rear Tail Light Control Module (Right) In right taillight. Roof Electronics Control Module Under front of roof module. Solar Operation Control Module On underside of solar roof. Steering Column Electronic Systems Control Module On steering column, behind steering wheel. Sunroof Regulator In front of roof module. Throttle Valve Control Module Behind intake manifold, on throttle valve housing. Tire Pressure Monitoring Control Module Under left side of rear seat. Transmission Control Module In transmission, at valve body. Vehicle Electrical System Control Module Behind left side of dash. Vehicle Electrical System Control Module No. 2 Under front passenger's seat. Wiper Motor Control Module On wiper motor.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.