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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Flat spots due to long term parking
In order to minimise flat spotting, the tyre pressures can be increased to the maximum as stated on the tyre sidewall, for the period when the vehicle is stationary. Tyres must be returned to the ...

Engine coolant temperature gauge
The gauge A indicates the engine coolant temperature. The engine coolant temperature is within the normal range when the gauge is within the zone B shown in the illustration. The engine cool ...

Adjusting the height of rear view mirror
Adjust the height of the rear view mirror by moving it up and down. ■To prevent sensor error (vehicles with auto anti-glare inside rear view mirror) To ensure that the sensors operate ...