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:
Verify Minutes and Expiration
Push and say “minutes” then “verify” to check how many minutes remain and their expiration date. ...
Services for People with Disabilities
Advisors provide services to help subscribers with physical disabilities and
medical conditions.
Push for help with:
○ Locating a gas station with an attendant to pump gas.
○ Finding ...
Dolly Towing (All-Wheel-Drive Vehicles)
All-wheel-drive vehicles must not be towed with two wheels on the ground. To properly tow these vehicles, they should be placed on a platform trailer with all four wheels off of the ground or dinghy ...





