2004 Cadillac CTS-V Owner's Manual - Page 150

yAz (Fan): Press this switch to increase or decrease the fan speed. Pressing this switch cancels automatic operation and places the system in manual mode. Press AUTO to return to automatic operation. QPWRR (Power/Driver's Temperature): If the airflow seems low when the fan speed is at the highest setting, the passenger compartment air filter may need to be replaced. For more information, see Passenger Compartment Air Filter on page 3-32 and Scheduled Maintenance on page 6-4. Press the PWR button located on the driver's side of the climate control panel to turn the entire climate control system on or off. Press the up or down arrow on the switch to increase or decrease the temperature inside your vehicle. Press the PWR button located on the passenger's side of the climate control panel to turn the passenger's climate control system on. 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. QPWRR (Power/Passenger's Temperature): h (Recirculation): This mode keeps outside air from coming in the vehicle. It can be used to prevent outside air and odors from entering your vehicle or to help heat or cool the air inside your vehicle more quickly. Press this button to turn the recirculation mode on or off. The air-conditioning compressor also comes on. Recirculation is not available in the defrost mode and will automatically turn off after 10 minutes when defog is selected. Using recirculation for long periods of time may cause the air inside your vehicle to become too dry or stuffy. To prevent this from happening, after the air in your vehicle has cooled, turn the recirculation mode off. 3-28