See also:

Checking engine coolant level
MR20DE Check the coolant level in the reservoir when the engine is cold. If the coolant level is below the MIN level B , add coolant to the MAX level A . If the reservoir is empty, check the ...

Clearing the programmed information
Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...

Automatic operation (AUTO)
The AUTO mode may be used all year around as the system automatically controls constant temperature, air flow distribution and fan speed. To turn off the heater and air conditioner, turn the fa ...