Multi-function steering wheel switches, removing and installing: Notes

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2005 Audi allroad, 2004 Audi allroad, 2004 Audi A6, 2003 Audi allroad, and 2003 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Before beginning repairs on the electrical system:

Obtain the anti-theft radio security code.
Switch off all electrical consumers.
Switch ignition off and remove ignition key.
Disconnect negative (-) battery terminal.
On vehicles equipped with Audi Telematics by OnStar®, switch-off the emergency (back-up) battery for the Telematic/Telephone Control Module prior to disconnecting vehicle battery. See EMERGENCY (BACK-UP) BATTERY, SWITCH ON/OFF, RESET TIME REGISTER .
After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows according to Repair Manual and/or Owner's Manual.
After reconnecting vehicle battery on vehicles equipped with Audi Telematics by OnStar®, switch-on the emergency (back-up) battery for the Telematic/Telephone Control Module. See EMERGENCY (BACK-UP) BATTERY, SWITCH ON/OFF, RESET TIME REGISTER .

WARNING: Special safety precautions apply to vehicles equipped with airbags. Refer to appropriate Air Bag Restraint Systems article in Restraints.