See also:

Engine Cooling When Trailer Towing
The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating . ...

Manual Operation
(Power): Press to turn the fan on or off. (Fan Control): Press to increase or decrease the fan speed. The fan speed setting appears on the main display. Pressing either button cancels auto ...

Buying New Tires
GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) ...