Entering the Feature Settings Menu
1. Turn the ignition on.
To avoid excessive drain on the battery, it is recommended that the headlamps are turned off.
2. Press the customization button to enter the feature settings menu.
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 ...
Cooling System
When it is safe to lift the hood:
A. Engine Cooling Fan (Out of View)
B. Engine Coolant Surge Tank and Pressure Cap
WARNING
An electric engine cooling fan under the hood can start up even ...
Tire Inspection
We recommend that the tires,
including the spare tire, if the
vehicle has one, be inspected
for signs of wear or damage at
least once a month.
Replace the tire if:
- The indicators at three ...






