GMC Terrain: 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.
Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle Diag ...Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...See also:
Cleaning the seat belts
Use clean, lukewarm water and soap solution.
Do not clean the seat belts using chemical cleaning agents. Do not dry the
seat belts by warming them above 176 ‡ (80 †) or placing them in ...
Traction Grades
The Traction grades, from highest to lowest, are AA, A, B,
and C. These grades represent the tire’s ability to stop on
wet pavement, as measured under controlled conditions
on specified govern ...
Rds-tmc overview
Radio Data System-Traffic Message Channel
(RDS-TMC) is a feature that announces traffic
hold-ups on your route as broadcast by radio
stations that transmit TMC information.
Touch the TMC button on ...