Engine Coolant Heater
The engine heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below −18°C (0°F). Vehicles with an engine heater should be plugged in at least four hours before starting.
An internal thermostat in the plug-end of the cord may exist which will prevent engine coolant heater operation at temperatures above −18°C (0°F).
If the vehicle has a diesel engine, see the Duramax Diesel supplement for more information.
See also:
High-Beam On Light
The high&-beam on light comes on when the high-beam headlamps are in use.
See Headlamp High/Low-Beam Changer on page 6‑2 for more information. ...
When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC:
SERVICE PARKING ASSIST: If this message occurs, take the vehicle to your dealer
to repair the system.
PARK ASSIST OFF: If the URPA system does n ...
Listing Stored Numbers
The list command will list all stored numbers and name tags.
Using the “List” Command
1. Press and hold for two seconds.
2. Say “Directory.” 3. Say “Hands-Free Calling.” 4. Say “List ...