Tire Changing
See also:
When You Are Ready to Leave AfterParking on a Hill
1. Apply your regular brakes and hold the pedal
down while you:
• start your engine,
• shift into a gear, and
• release the parking brake.
2. Let up on the brake pedal.
3. Drive slowly unt ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Uniform Tire Quality Grading
Quality grades can be found where applicable on
the tire sidewall between tread shoulder and
maximum section width. For example:
Treadwear 200 Traction AA
Temperature A
The following informati ...
