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:
Memory Features
On vehicles with the memory feature, the “1” and “2” buttons on the outboard
side of the driver seat are used to manually save and recall the driver seat and
outside mirror positions. Th ...
Safety Belts
Refer to the following sections for important information on how to use safety
belts properly:
○ Safety Belts on page 3‑12.
○ How to Wear Safety Belts Properly on page 3‑ ...
Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...