GM Service Manual Online
For 1990-2009 cars only

For more information on the vehicle's climate control system, see "Climate Control System" in the owner manual.

Electric Air Conditioning Compressor

This hybrid vehicle has a electrically powered air conditioning compressor. This allows for continuous air conditioning operation and passenger comfort, even while the hybrid engine cycles on and off.

When operating the climate control system, select the AUTO mode and the desired temperature setting. The climate control system automatically adjusts the fan speed and airflow direction. The climate control system continues to adjust the climate control settings chosen for best use of electrical power.

To get maximum engine off time during mild temperatures, select a warmer temperature setting or turn off the air conditioning to shut off the compressor. During hot weather, it is recommended to keep the air conditioning on with the windows closed. Continuous air conditioning use can cause the engine to autostart more frequently.

Some noise may be heard occasionally from the compressor, especially when air conditioning use is high and the engine has turned off.