Climate ControlsFor more information on the vehicle's climate controlsystem, see “Climate Control System” in the ownermanual.Electric Air Conditioning CompressorThis hybrid vehicle has a electrically powered airconditioning compressor. This allows for continuous airconditioning operation and passenger comfort, evenwhile the hybrid engine cycles on and off.When operating the climate control system, select theAUTO mode and the desired temperature setting. Theclimate control system automatically adjusts the fanspeed and airflow direction. The climate control systemcontinues to adjust the climate control settings chosenfor best use of electrical power.At mild temperatures, select a warmer air conditionertemperature or turn the air conditioner off to getmaximum fuel economy. Continuous air conditioner usecan cause the vehicle to Auto Start more frequently.During hot weather, driving with the windows closed andthe air conditioner set to Auto mode, will result in betterHybrid system performance.Some noise may be heard occasionally from thecompressor, especially when air conditioning use ishigh and the engine has turned off.4-2