OnStar Services

See also:

Total Weight on the Vehicle's Tires
Inflate the vehicle's tires to the upper limit for cold tires. These numbers can be found on the Certification label or see Vehicle Load Limits. Do not go over the GVW limit for the vehicl ...

Specification
Use and ask for licensed engine oils with the dexos1™ approved certification mark. Engine oils meeting the requirements for the vehicle should have the dexos1 approved certification mark. T ...

Limit Features While Driving
The navigation system may have this feature. Touch the Limit Features While Driving screen button to turn the ability to limit functions on and off while driving. When this screen button is highli ...