Battery Disconnect Precautions: Notes
WARNING: This page does not describe the selected car, but rather 24 other vehicles, including the 2009 Volkswagen Golf, 2008 Volkswagen Golf, 2007 Volkswagen Golf, 2005 Volkswagen Jetta, and 2005 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Turn ignition switch to OFF position. Before disconnecting negative battery terminal, obtain anti-theft radio security code. Disconnect negative battery terminal. After reconnecting battery, re-code and check operation of anti-theft radio.
Do not loosen or remove ground strap from body. Disconnect terminal from battery only.
Once battery has been connected, check operation of radio, clock and convenience electronics. Completely open and close all power windows.