Subject: Air-conditioning control unit (also control panel/switch console)
Symptom: When starting the vehicle, an unsuitable air conditioning setting is preset in the rear air-conditioning
control unit.
Only air conditioning settings from driver's key 1 are stored and applied to all other driver's keys.
Cause: The last air conditioning settings from driver's keys 2-4 cannot be read out quickly enough.
The last stored setting from driver's key 1 is used.