Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width.
For example:
See also:
Removing and Replacing the Floor Mat
The driver side floor mat is held in place by two retainers.
1. Pull up on the rear of the floor mat to unlock each retainer and remove.
2. Reinstall by lining up the floor mat retainer openings o ...
Reading Lamps
For vehicles with reading lamps, they are located on the overhead console.
To turn on the reading lamps, press the button located next to each lamp. To turn them off, press the button again.
The veh ...
Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, OnSta ...