There are three "Golden Rules" to adhere to when diagnosing concerns on the
N54 engine:
1. When diagnosing cases of smoke from the exhaust, it is important to avoid
unnecessary replacement of
the turbochargers. Smoke can be caused by oil consumption such as the crankcase
ventilation system.
Alwa
Overview
Buttons in the vehicle
Climate control functions
Temperature.
Maximum cooling.
AUTO program.
Air flow, manual.
Intensity Auto program.
Air distribution, manual.
Seat heating.
Switching climate control
functions on/off
Functional requirement
The rear automatic climate control is not ready