1998 Cadillac Catera Owner's Manual - Page 150

Outside Temperature Display The outside temperature is always displayed when your vehicle's ignition is on. the outside temperature If display begins to flash, this means that icy road conditions are possible. Adjust your drivingif needed. The display will flashfor about 30 seconds and then remain on steady. Automatic Operation Pressing the driver's side TEMP/AUTO knob sets the system for automatic operation.Once the system is set, sensors will control the delivery mode.Air will come air from the floor, middle, side or windshield outlets.The fan speed will vary as the system maintains the selected temperature setting. (All previous manually set mode settings willchange back to a fully automatic mode when the climate controlsystem is turned on this way.) Mode Button Press this button to deliver air through the floor, middle or windshield outlets. The climate control system will stay in the selected ECC mode until the MODE buttonis pressed again or until the TEMP/AUTO is pressed. knob Press the up or down arrow to see the availablemodes. EnglisWetric Display You can change the temperature display from English (degrees Fahrenheit) to metric (degrees Celsius) by pressing and holdingthe driver's side TEMP/AUTO knob for approximately three seconds.Repeat the process tochange back toEnglish from metric. Be careful not to putanything over the solar sensor located inthe middle of the instrument panel nearthe windshield. This sensor is used by the automatic system to regulate temperature. To find yourcomfort zone, start with the "F (24°C) 75 setting and allowabout 20 minutes for the system to regulate air temperature. Adjust the temperature if necessary. If you choose 60O F (16 "C), the system will remain at that maximum cooling setting will not and regulate fan speed.If you choose the temperature of 90"F (32"C), the system will remain at that maximum heating setting and will not regulate speed. Choosing fan either maximum setting will not cause the system to heat or cool any faster.