Overview - Locking Mechanism

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NOTE:

The assembly overview is based on the latch for the left 1/3 backrest section. The backrest lock on the right 2/3 section of the backrest is similar.

Fig 1: Identifying Lock Cylinder Overview

Courtesy of AUDI OF AMERICA, LLC

Backrest Shell
Key
Install the Lock Cylinder
- Removing and installing. Refer to LOCK CYLINDER, REMOVING AND INSTALLING, REAR SEAT BACKREST LOCKING MECHANISM .
  CAUTION:
  - Only remove and install the lock cylinder with the key inserted correctly. If that is not done, the tumblers and compression springs can fall out and the lock cylinder will be ruined.
  - Check the installation position when installing the lock cylinder. It is not possible to lock the rear seat backrest correctly if the installation position is not correct.
Protective Cap
- For lock cylinder
- Remove before installing the lock cylinder
  CAUTION:
  The key must be inserted in the lock cylinder correctly before the protective cap is removed. If that is not done, the tumblers and compression springs can fall out and the lock will be ruined.
Trim
- for locking and lock cylinder
- Removing and installing. Refer to LOCKING MECHANISM TRIM, REMOVING AND INSTALLING .
Locking Mechanism
- For backrest
- Removing and installing. Refer to REAR SEAT BACKREST LOCKING MECHANISM, REMOVING AND INSTALLING .
Bolt
- 25 Nm
- 2 per retainer