First read and observe the introductory information
and safety warnings
The roll-back function can reduce the risk of injury when the electric panorama sliding/tilting glass roof is being closed . If the electric panorama sliding/tilting glass roof is not able to close because it is stiff or obstructed, it will automatically open again immediately.
Closing the electric panorama sliding/tilting glass roof without the roll-back function
If you let go of the switch during the closing procedure, the electric panorama sliding/tilting glass roof will open automatically.

WARNING
The roll-back function is also active if the windows and electric panorama sliding/tilting glass roof are closed with the vehicle key .
Electric panorama sliding/tilting glass roof – functionIntroduction
The purpose of this Repair Manual is to provide foremen and
mechanics with the basic knowledge needed to ensure expert
working.
Note
Expert knowledge is achieved by one who has taken part
successfully in instructiona ...
CAN Bus Wires, Repairing
Unshielded two-strand wiring -1-
and -2- with a cross section of
0.35 mm2 or 0.5 mm2
can be used as CAN bus wiring.
The color coding of CAN bus wires can be found in the
following table:
...
Coolant Fan Control Module -J293
Note
There are different construction styles.
This control module switches on and off the A/C clutch and
therefore the A/C compressor. It switches the coolant fan and
calculates the pressu ...