OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. To change the OnStar PIN, call OnStar and provide the Advisor with the current number.
See also:
Mixed-Band Presets
Each page can store six preset stations. The presets within a page can be from
different radio bands. To scroll through the pages, press the FAV button located
on the faceplate or the FAV screen b ...
Comprehensive safety system
The GMC Acadia has a comprehensive safety system that is designed to protect
passengers before, during and after a crash. Its strong structure and four-wheel
independent suspension system enhance ...
Brakes
Brakes stop the vehicle and are crucial to safe driving.
• Signs of brake wear may include chirping, grinding, or squealing noises, or difficulty stopping.
• Trained dealer technicians have acce ...