Battery Voltage
This display shows the current battery voltage. The vehicle's charging system regulates voltage based on the state of the battery.
The battery voltage may fluctuate when viewing this information on the DIC. This is normal.
If there is a problem with the battery charging system, the charging system light illuminates and/or the DIC displays a message.
See Charging System Light, Battery Voltage and Charging Messages and Battery Load Management for more information.
See also:
Dolly Towing (Front-Wheel—Drive Vehicles)
To tow the vehicle from the front with the rear wheels on the ground, do the
following:
1. Put the front wheels on a dolly.
2. Move the shift lever to P (Park).
See Shifting Into Park.
3. ...
Battery
The battery supplies power to
start the engine and operate any
additional electrical accessories.
- To avoid break–down or failure
to start the vehicle, maintain a
battery with full cranking ...
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 ...






