1998 Buick Riviera Owner's Manual

Comfort ControlsThis section describes how to operate your climatecontrol system. Your climate control system usesozone-friendly R- 134a refrigerant.Dual Automatic ComforTempClimate ControlYour vehicle has the Dual Automatic ComforTempClimate Control system. The following information tellsyou how it works.You will hear a beep each time a button is pushed and a If the display is flashing after the climate control systemsmall light on the button will indicate which buttons are is started, there is a problem with the system and youactive. The lights are on all buttons except TEMP, FAN should see your dealer for service.and AIR ELOW. The display will show fan speed,comfort level setting and airflow direction for a fewSun and temperature sensors automatically adjust the airseconds whenever AUTO is selected, and then it willtemperature, the airflow direction and the fan speed todisplay the outside temperature. The outside temperaturemaintain your comfort setting. The system may supplyreading is most accurate when the vehicle is moving.cooler air to the side toward the sun. Be careful not toDuring stops, the display shows the previousput anything over the sensors on top of the dash.temperature for best accuracy and system control.3-2