1995 Cadillac DeVille Owner's Manual - Page 171

Electronic Climate Control (ECC) Your vehicle has strategically placed electronic sensors that feed information to the vehicle's computer svstems. Your vehicle can control the ventilation, heating and air conditidning automatically year round. The outside temperature,inside temperature setting, €an speeds and the ECC selection are displayed on a digital screen. When the OFF button is selected, nothing is on, but air will still flow through your vehicle if you're moving. The system will try to keep the air at the selected temperature, butit might not be able to maintain it if it's hot, or cold, outside. The OUTSIDE temperature is always displayed whenyour vehicle is running. You can change it from Celsius to Fahrenheitby pressing the ENG/MET (English/Metric) button. 3-3