Fuel supply, All Wheel Drive (AWD): Notes

CAUTION: Before beginning repairs on the electrical system:

Obtain the anti-theft radio security code.
Switch the ignition off.
Disconnect the battery Ground (GND) strap.
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 BATTERY, SWITCHING OFF/ON .
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 BATTERY, SWITCHING OFF/ON .

NOTE:

Secure all hose connections with the correct hose clips (same as original equipment)
Hose VAG1921 clip pliers are recommended when installing spring-type clips.
Always replace sealing rings and gaskets when assembling.

WARNING:

Fire hazard. DO NOT smoke or work near heaters or have anything in the area that can ignite fuel!
Fire hazard! Fuel system is under pressure. Before opening the system place a cloth around the connection. Then release pressure by carefully loosening the connection.