OnStar Services

See also:

Battery Load Management
The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. When t ...

Starter Switch Check
WARNING When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before starting this check, be sure there is enough room around ...

Instrument Panel
Instrument Panel A. Air Vents on page 8‑12. B. Windshield Wiper/Washer on page 5‑5. C. Instrument Cluster on page 5‑12. D. Head-Up Display (HUD) on page 5‑33 (If Equipp ...