U.S.: 1-800-243-8872
TTY Users (U.S. Only): 1-888-889-2438
Canada: 1-800-268-6800
As the owner of a new Chevrolet, you are automatically enrolled in the Roadside Assistance program.
Driving for Better Fuel Economy
OnStar®Heating and Air Conditioning System Description and Operation
Engine Coolant
Engine coolant is the key element of the heating system. The thermostat
controls engine operating coolant temperature. The thermostat
also creates a restriction for the cooling system that promotes a positive
coolant flow and helps prevent cavitation. Coolant enters the
heater ...
Installation Procedure
Remove all mounds or loose pieces of urethane adhesive from the
pinch-weld area.
Inspect for any of the following problems in order to help prevent
future breakage of the window:
High weld
Solder spots
Hardened sealer
Any other obstruction or irregularity in the pinch-weld fla ...
Interior Lamps Dimming
This group includes lamps which may dim. This group may use a combination of
vacuum fluorescent illumination, LEDs and incandescent
lamps
HVAC control module, head assembly
Rear HVAC control module, head assembly
Radio
Rear seat audio
The instrument panel cluster
The PRNDL lamp, wit ...