Setting the Auto Time Adjust
]1. Press the CONFIG button and
select Time and Date Settings,
or press 
.
2. Highlight Auto Time Adjust.
3. Press SELECT to turn Auto Time Adjust on or off.
4. Press SELECT button to select Time Zone, and then select the Time Zone.
5. Press SELECT to turn Daylight Savings on or off.
See also:
Steering Wheel Controls
Some audio controls can be adjusted at the steering wheel.
(Push to Talk): For vehicles with
a Bluetooth, OnStar, or navigation system, press to interact with those systems.
See Bluetooth (Inf ...
Using the Delete All Name Tags Command
The delete all name tags command deletes all stored
phone book name tags and route name tags for OnStar
(if present).
To use the delete all name tags command:
1. Press and hold for two seconds. ...
Engine Coolant Heater
Your vehicle may have an engine coolant heater.
In very cold weather, 0°F (−18°C) or colder,
the engine coolant heater can help. You will get
easier starting and better fuel economy durin ...