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.

It is shipped from the factory with a tie holding it in place. Use care in removing the tie so that the cord is not damaged.
Check the heater cord for damage. If it is damaged, do not use it. See your dealer for a replacement. Inspect the cord for damage yearly.
Warning
Improper use of the heater cord or an extension cord can damage the cord and may result in overheating and fire.
Failure to use the recommended extension cord in good operating condition, or using a damaged heater or extension cord, could make it overheat and cause a fire, property damage, electric shock, and injury.
Keep the cord away from any moving parts.
If you do not it could be damaged.
The length of time the heater should remain plugged in depends on several factors. Ask a dealer in the area where you will be parking the vehicle for the best advice on this.
Starting the Engine
Retained Accessory Power (RAP)Fuses and Circuit Breakers
The wiring circuits in the vehicle are protected from short circuits by a combination
of fuses, circuit breakers, and fusible thermal links.
This greatly reduces the chance of fires caused by electrical problems.
Look at the silver-colored band inside the fuse. If the band is broken or melted,
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Customer Satisfaction Procedure
Your satisfaction and goodwill are important to your dealer and to Chevrolet.
Normally, any concerns with the sales transaction or the operation of the vehicle
will be resolved by your dealer's sales or service departments. Sometimes, however,
despite the best intentions of all concerned, ...
SiriusXM Satellite Radio Service
SiriusXM is a satellite radio service based in the 48 contiguous United States
and 10 Canadian provinces.
SiriusXM Satellite Radio has a wide variety of programming and commercial-free
music, coast to coast, and in digital-quality sound.
A service fee is required to receive the SiriusXM servic ...