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:
Customer Assistance
Offices (Mexico)
To contact the Customer Assistance
Center (CAC), use the phone
numbers listed in this section.
Customer assistance is available
Monday through Friday, 08:00 to
20:00 hours, and Saturdays from ...
Tires
Every new GM vehicle has high-quality tires made by a leading tire manufacturer.
See the warranty manual for information regarding the tire warranty and where to
get service. For additional inform ...
Maintenance Schedule
Owner Checks and Services
At Each Fuel Stop
- Check the engine oil level.
See Engine Oil.
Once a Month
- Check the tire inflation pressures. See Tire Pressure.
- Inspect the tires fo ...