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:
When to Inspect the Engine
Air Cleaner/Filter
Inspect the air cleaner/filter at the
scheduled maintenance intervals
and replace it at the first oil change
after each 80 000 km (50,000 mile)
interval. See Maintenance Schedule, for more inf ...
Vehicle and Power Issues
OnStar services require a vehicle
electrical system, wireless service,
and GPS satellite technologies to be
available and operating for features
to function properly. These systems
may not o ...
Steering
Hydraulic Power Steering
Your vehicle has hydraulic
power steering. It may require
maintenance. See Power Steering
Fluid.
If power steering assist is lost due
to a system malfunction, the ve ...