Theft Systems Description and Operation: Notes
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The theft deterrent system on this vehicle is comprised of the vehicle theft deterrent (VTD) system. The VTD system prevents drive away theft by keeping the vehicle from starting.