2006 Cadillac STS-V Owner's Manual - Page 193

You can switch from English to metric units through the Driver Information Center (DIC). See DIC Controls and Displays on page 3-74. The air-conditioning system removes moisture from the air, so you may notice water dripping underneath your vehicle while idling or after turning off the engine. This is normal. [ (Floor): This mode directs most of the air to the floor outlets with some air directed to the outboard outlets, and a little air directed to the windshield and side windows. The mode switch can also be used to select the defog mode. Information on defogging and defrosting can be found later in this section. Manual Operation yAz (Fan): yN z (Mode): Pressing the mode switch and changing the mode cancels automatic operation and allows the operator to manually select the air delivery location. Press AUTO to return to automatic operation. The outboard air outlets will always receive airflow regardless of the mode selected. See Outlet Adjustment on page 3-54 to change this airflow from the outboard outlets. To change the current mode, select one of the following: This mode directs air to the instrument panel outlets. Press this switch to increase or decrease the fan speed. Pressing this switch cancels automatic operation and allows the operator to manually select the amount of airflow. Press AUTO to return to automatic operation. 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 3-55 and Scheduled Maintenance on page 6-4. Y (Vent): h (Recirculation): \ (Bi-Level): This mode directs approximately half of the air to the instrument panel outlets, and then directs most of the remaining air to the floor outlets. In automatic operation, cooler air is directed to the upper outlets and warmer air to the floor outlets. This button controls the air source for the climate control system. If you are in AUTO mode, pressing this button once will choose recirculation. This mode keeps outside air from coming in the vehicle and recirculates the air in the vehicle. It can be used to prevent outside air and odors from entering your vehicle or to help cool the air inside your vehicle more quickly. 3-49