1. After the Buick LaCrosse is started, the water temperature rises to normal temperature after about 5-7 minutes, and the warm air can be turned on at this time. Because the vehicle has just started, the water temperature in the water tank is very low, and it needs to be raised to blow out warm air. Let the vehicle run for a period of time, wait until the water temperature pointer reaches half of the normal water temperature, and then start using the warm air.
2. Adjust the circulation mode of air conditioner to internal circulation.
3. Turn to warm air mode, red area.
4, don't turn on the air conditioner, because the warm air uses the car's own thermal cycle to save energy.
5. Adjust the air conditioning gear to adapt to the gear, and adjust the wind direction of the air outlet.