OnStar Services

See also:

Climate Control Influence on eAssist Operation and Fuel Economy (If Equipped)
The climate control system is dependent upon other vehicle systems for heat and power input. Certain climate control settings can lead to higher fuel usage and/or fewer auto stops. The follo ...

How to Check Power Steering Fluid
Check the level after the vehicle has been driven for at least 20 minutes so the fluid is warm. To check the power steering fluid: 1. Turn the ignition to LOCK/OFF and let the engine compartme ...

Passenger Compartment Air Filter
Outside air is routed through a passenger compartment air filter before entering the vehicle. This filter removes certain particles from the air, including pollen and dust particles. The filter ...