Anti-theft Alarm System Messages
SERVICE THEFT DETERRENT SYSTEM
This message displays when there is a problem with the theft-deterrent system. The vehicle may or may not restart so you may want to take the vehicle to your dealer before turning off the engine. See Immobilizer Operation on page 2‑14 for more information.
THEFT ATTEMPTED
This message displays if the content theft-deterrent system has detected a break-in attempt while you were away from your vehicle. See Anti-theft Alarm System on page 2‑13 for more information.
See also:
Finding a Station
BAND: Press to switch between AM, FM, or XM™, if equipped.
(Tune): Turn to manually select radio stations.
SEEK: Press to seek the previous radio station. Press and hold for a few seconds until ...
Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors.
Call 1-800-GMC-8782 (1-800-462-8782), or write:
GMC Customer Assistance Center
P.O. Box ...
How to Check
Use a good quality pocket-type gauge to check tire pressure. Proper tire inflation
cannot be determined by looking at the tire. Check the tire inflation pressure when
the tires are cold, meaning t ...