Engine Heater

The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up.

Plug in the coolant heater at least four hours before starting the vehicle. An internal thermostat in the plug end of the cord will prevent engine coolant heater operation at temperatures above −18°C (0°F).

See also:

Interior
The cabin utilizes premium materials, and there is an optional navigation system. The Regal has a sizable trunk that measures 14.3 cubic feet, and there is a wide opening to both the cargo area ...

ENGINE OVERHEATED — IDLE ENGINE
This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down. ...

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 stored. To delete all name tags: 1. Press . ► For vehicles without a navigation sy ...