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Practical hints
What to do if …?
Display symbol Display message Possible cause/consequence Possible solution
t
Function
Unavailable
This display appears if button t or
s on the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
X
Tire pressure
Check tires
The Run Flat Indicator* indicates that the
pressure is too low in one or more tires.
̈ Carefully bring the vehicle to a halt,
avoiding abrupt steering and braking
maneuvers. Observe the traffic
situation around you.
̈ Check and adjust tire inflation pres-
sure as required (
୴ page 341).
̈ If necessary, change the wheel
(
୴ page 446).
̈ Reactivate the Run Flat Indicator* af-
ter adjusting the tire inflation pressure
values (
୴ page 343).