OnStar Services

See also:

Maintenance When Trailer Towing
Your vehicle will need service more often when you’re pulling a trailer. See the Maintenance Schedule for more on this. Things that are especially important in trailer operation are automatic tr ...

Conditions in Which Remote Start Will Not Work
The remote start will not operate if: • The key is in the ignition (key access) or the ignition is in any position other than OFF (keyless access). • The transmitter is in the vehicle (k ...

Lamps
Properly working headlamps, taillamps, and brake lamps are important to see and be seen on the road. • Signs that the headlamps need attention include dimming, failure to light, cracking, ...