GMC Terrain: Uniform Tire Quality Grading - Wheels and Tires - Vehicle Care - GMC Terrain Owner's ManualGMC Terrain: Uniform Tire Quality Grading

Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example:

Different Size Tires and Wheels
If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, a ...

Treadwear 200 Traction AA Temperature A
The following information relates to the system developed by the United States National Highway Traffic Safety Administration (NHTSA), which grades tires by treadwear, traction, and temperature pe ...

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Cleaning the exhaust tail pipes
Impurities combined with the effects of road grit and corrosive environmental factors may cause flash rust to form on the surface. You can restore the original shine of the exhaust tail pipe by cl ...

Manual Lumbar Support — If Equipped
For models equipped with manual lumbar the support lever is located on the inboard side of the seat. Turn the lever downward to increase and upward to decrease the desired amount of lumbar suppo ...

To Deactivate
A soft tap on the brake pedal, pushing the CANCEL button, or normal brake pressure while slowing the vehicle will deactivate Electronic Speed Control without erasing the set speed memory. Pressi ...