Jump Starting
Towing the VehicleHeating 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 ...
Heated Oxygen and Oxygen Sensor Caution
Caution: Do not remove the pigtail from either the heated oxygen
sensor (HO2S) or the oxygen sensor (O2S). Removing the pigtail or the
connector will affect sensor operation.
Handle the oxygen sensor carefully. Do not drop the HO2S. Keep the in-line
electrical connector and the louvered end fr ...
OnStar® Destination Download
The destination download lets an OnStar® subscriber ask an OnStar Advisor to
download a destination to the navigation system. OnStar will send address information
and location coordinates of the destination into the navigation system.
Using Destination Download
If the navigation radio screen i ...