SERVICE BATTERY CHARGING SYSTEM
This message displays when there is a problem with the generator and battery charging systems. Driving with this problem could drain the battery. Turn off all unnecessary accessories. Stop and turn off the vehicle as soon as it is safe to do so. Have the electrical system checked by your dealer. Under certain conditions, the charging system light may also turn on in the instrument panel cluster.
See Charging System Light for more information.
See also:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher.
If the octane rating is less than 87, an audible knocking noise, commonly
referred to as spark knock, might be heard when d ...
Tires
Every new GM vehicle has high-quality tires made by a leading tire
manufacturer.
See the warranty manual for information regarding the tire warranty and
where to get service. For additional infor ...






