Run-flat tires

The symbol identifying run-flat tires is a circle with the letters RSC on the sidewall.
Run-flat tires comprise a conditionally self-supporting tire and a special rim. The reinforcement in the sidewalls ensures that the tire can continue to be used subject to certain restrictions, even if depressurized.
For information on continuing to drive with a flat tire, refer to Indication of a flat tire on page 85.
See also:
Locking and unlocking
Pressing the buttons locks and unlocks the
doors and the trunk lid when the front doors are
closed, but they are not secured against theft.
The fuel filler flap remains unlocked. ...
General information
If you are no longer able to move the roller sunblind
for the rear window after having activated
it a number of times in a row, the system is
blocked for a limited time to prevent overheating.
...
Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for
approx. five seconds.
2. "OK" ...
