2006 Cadillac CTS Owner's Manual - Page 152

QPWRR (Power/Passenger's Temperature): Press the PWR button located on the passenger's side of the climate control panel to allow the passenger's climate control setting to be different than the driver's. Press the up or down arrow on the switch to increase or decrease the temperature for the front passenger. A/C OFF (Air Conditioning): Press this button to manually turn off the air conditioning compressor. Press AUTO to return to automatic operation or press the A/C OFF button again. There is also an interior temperature sensor located to the right of the steering wheel on the instrument panel. Sensors These sensors monitor the solar radiation and the air inside your vehicle, then use the information to maintain the selected temperature by initiating needed adjustments to the temperature, the fan speed and the air delivery system. The system may also supply cooler air to the side of the vehicle facing the sun. The recirculation mode will also be activated, as necessary. Do not cover the sensors or the automatic climate control system will not work properly. There is a solar sensor located on the instrument panel, near the windshield. 3-26