OnStar Services

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Tire Pressure Monitor System
The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. The TPMS sensors monitor the air pressure in your tires and transmit tire pressure rea ...

Precise dimensional accuracy
Engineers developed and adhered to hundreds of criteria points when developing the DTS, and the result is outstanding fit, finish and overall harmony of the elements. Fit, flushness and gaps are ...

Courtesy Transportation Program (U.S. and Canada)
To enhance your ownership experience, we and our participating dealers are proud to offer Courtesy Transportation, a customer support program for vehicles with the Bumper-to-Bumper (Base Warranty ...