Keyless Entry Transmitter Battery: Service and Repair

2006 Audi A4 Quattro Sedan (8EC) V6-3.2L (BKH)SECTION Service and Repair





Central Locking System

- Central locking system in the A4 operates electrically instead of pneumatically as before.

- Actuators in doors are integrated in the door lock and have 2 motors.

- Actuators cannot be replaced separately.

- The first motor locks the door and the second motor locks the interior door mechanism (Safe function).

- Now, doors also can no longer be opened from the interior.

- Actuators of fuel filler flap and rear lid have one motor each and cannot be replaced individually.

- After an accident in which the airbag deploys, the central locking system control module opens any doors which were locked.

- Central locking system control module is located in front of driver's seat, at left, under floor mat.
RENDER: 1.0x

NO RELATED

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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.