OnStar Services
See also:
Storing and Deleting Phone Numbers
The system can store up to 30 phone numbers as name tags in the Hands—Free
Directory that is shared between the Bluetooth and OnStar systems.
The following commands are used to delete and store ph ...
Maintenance Schedule
Owner Checks and Services
At Each Fuel Stop
- Check the engine oil level.
See Engine Oil.
Once a Month
- Check the tire inflation pressures. See Tire Pressure.
- Inspect the tires fo ...
Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get
the best fuel economy possible.
- Avoid fast starts and accelerate smoothly.
- Brake gradually and avoid abrupt stops.
- ...






