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 driving.
If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. If heavy knocking is heard when using gasoline rated at 87 octane or higher, the engine needs service.
See also:
Loss of Control
Skidding
There are three types of skids that
correspond to the vehicle's three
control systems:
- Braking Skid — wheels are
not rolling.
- Steering or Cornering
Skid — too much speed or
s ...
Detailed Areas
Road network attributes are contained in the map database for detailed areas.
Attributes include information such as street names, street address, turn restrictions,
etc. A detailed area includes ...
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 ...






