Emergency Battery (Telematics) A16 , removing and installing

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Switch off all electrical components.
Switch ignition off and remove ignition key.

Removing:

Switch off Emergency Battery (Telematics) A16 → Emergency Battery (Telematics) A16 , switching on/off
Remove A-pillar trim: → - 70 - INTERIOR TRIM .
Remove front passengers seat → - 72 - SEAT - FRAMES .

NOTE:

Seat belt need not be removed from seat frame.
Pull back floor carpet..

Fig 1: Identifying Passenger Side Electronics Box Cover

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Release cover for electronics box - arrows - and remove.

Fig 2: Opening Lid Of Mounting Box

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Open lid - 1 - of mounting box - 2 - in direction of - arrow -.

Avant only:

Disconnect cable connection to Antenna Splitter R87.

Fig 3: Identifying Electrical Harness Connector And Emergency Battery

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect electrical harness connector - 3 -.
Remove emergency battery - 2 - from bracket.

Installing:

Install in reverse order of removal, noting the following:

Reinstallation of existing emergency (back-up) battery:

Switch on emergency (back-up) battery (VAS 5051/5052 still connected and in "75 - Telematics USA - Functions" mode)
Select/press button "1 - Service mode deactivating (normal operating condition)"
Follow the testers prompts.

Installation of new emergency (back-up) battery:

Switch on emergency (back-up) battery and reset counter (VAS 5051/5052 still connected and in "75 - Telematics USA - Functions" mode)
Select/press button "2 - New emergency battery has been installed (reset counter)"
Follow the testers prompts.