Replacing low beam bulb (gas discharge headlight): Notes

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 Audi S8, 2003 Audi A8, 2002 Audi S8, 2002 Audi A8, and 2001 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: On vehicles equipped with Audi Telematics by OnStar®, switch-off the emergency (back-up) battery for the Telematic/Telephone Control Module prior to disconnecting the vehicle battery. See EXAMPLE: SWITCH OFF EMERGENCY (BACK-UP) BATTERY . Switch-on the emergency (back-up) battery after reconnecting the vehicle battery. See EXAMPLE: SWITCH ON EMERGENCY (BACK-UP) BATTERY .

WARNING: High Voltage! ALWAYS disconnect battery Ground (GND) strap before working on parts of the gas discharge headlights marked with the yellow high voltage symbol.