GM Service Manual Online
For 1990-2009 cars only

Your vehicle has a maintenance free sealed 12-volt battery and a high-voltage battery.

If the vehicle will not start, contact OnStar or your Driver Relationship Manager (DRM).

Do not attempt to jump start your vehicle.

Warning: Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling.