1998 Cadillac Eldorado Owner's Manual - Page 162

Electronic Solar Sensor Press the AC button or the TEMP/AUTO knob to turn the system on and then select the proper MODE to direct airflow. The system will cool and dehumidify the air inside the vehicle. Also while in the AUTO mode, the system will use recirculation as necessary to cool the air. You may also need to adjust the interior temperature and the fan speed as needed. When the air conditioner is on, you may sometimes notice slight changes in your vehicle's engine speed and power. This is normal because the system is designed to cyclethe compressor on and off to keep the desired temperature. The sensormonitors the sun's solar radiation and is located on top of the instrument panel near the windshield. The ECC panel uses this information to automatically make the necessary temperature and airflow adjustments to maintain your comfort. Heating Press the MODE buttdn to select heater. Adjust the interior temperatureto a comfortablelevel and if the fan speed needs adjusting, press the up or down arrow. Outside air will be brought in and sent through the floor, air conditioning or bi-level outlets (dependingon the condition). Theheater works best if you keep your windows closed while using it. Air Conditioning On hot days, open the windows long enough to let hot inside airescape. This reduces the time it takes for your vehicle to cool down. Then keep your windows closed for the air conditionerto work its best. 3-6