Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL® engine coolant mixture. See Recommended Fluids and Lubricants and Maintenance Schedule for more information.
The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating.
See also:
Setting Preset PTYs (RDS Only)
These buttons have factory PTY presets. Up to
12 PTYs (six FM1 and six FM2), can be
programmed on the six numbered pushbuttons, by
performing the following steps:
1. Press BAND to select FM1 or ...
Setting the 12/24 Hour Format
1. Press the CONFIG button and
select Time and Date Settings,
or press .
2. Highlight Set Time Format.
3. Press SELECT to select the
12 hour or 24 hour display
format. ...
Storing Name Tags
The system can store up to 30 phone numbers as name tags that are shared between the Bluetooth and OnStar systems.
The system uses the following commands to store and retrieve phone numbers:
► ...