See also:

Automatic Operation
AUTO (Automatic Fan): When AUTO is selected on the fan control, the system automatically adjusts the fan speed. If the OnStar® system is activated when this position is selected, the fan speed ...

Footnotes — Maintenance Schedule Additional Required Services — Severe
a) Check all fuel and vapor lines and hoses for proper hook-up, routing, and condition. Check that the purge valve, if the vehicle has one, works properly. Replace as needed. b) Or every four yea ...

Ending a Call
Turn the Menu knob to select Hang Up, then press SELECT. ...