Sensor
The solar sensor, located on top of the instrument panel near the windshield, monitors the solar heat.
The climate control system uses the sensor information to adjust the temperature, fan speed, recirculation, and air delivery mode for best comfort.
Do not cover the sensor; otherwise the automatic climate control system may not work properly.
See also:
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Vehicle
Diagnostics, Remote Door Unlock,
Roadside Assistance, Turn-by-Turn
Navigation, and Hands-Free ...
Resuming a Set Speed
If cruise control is set at a desired speed and the
brakes are applied, this shuts off the cruise control.
However, it does not need to be reset.
Once your vehicle reaches a speed of about 40 km/h ...
Using ABS
Do not pump the brakes. Just hold the brake pedal down firmly and let ABS work.
You might hear the ABS pump or motor operating and feel the brake pedal pulsate,
but this is normal. ...