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All wheels green
▷ The system is active and bases warnings on
the displayed target pressures.
▷ For tires with special approval: the system is
active and bases warnings on the tire inflation
pressures stored during the last reset.
One to four yellow wheels
A flat tire or major drop in the tire inflation pres‐
sure has occurred in the indicated tires.
Gray wheels
It may not be possible to identify tire inflation
pressure losses.
Possible causes:
▷ Malfunction.
▷ During tire inflation pressure measurement,
after confirmation of the tire settings.
▷ For tires with special approval: a reset is per‐
formed for the system.
For tires with special approval:
perform a reset
Via iDrive:
1.
"CAR"
2. "Vehicle status"
3. "Tire Pressure Monitor"
4. Make sure that correct tire settings, refer to
page 359, have been made.
5. Switch on drive-ready state and do not drive
off.
6. Reset tire inflation pressure: "Perform reset".
7. Drive away.
The wheels are displayed in gray and the follow‐
ing is displayed "Resetting tire pressure…".
After a travel time of several minutes, the set tire
inflation pressures are accepted as the target tire
inflation pressures. The reset is completed auto‐
matically while driving.
After a successfully completed reset, the wheels
on the Control Display are shown in green and
the following is displayed: "Reset successful."
You may interrupt this trip at any time. When you
continue the reset resumes automatically.
Messages: for tires without
special approval
General information
A low tire inflation pressure may cause the DSC
Dynamic Stability Control to be switched on.
Safety information
Warning
A damaged regular tire with low or missing tire
inflation pressure impacts handling, such as
steering and braking response. Run-flat tires
can maintain limited stability. There is a risk of
accident. Do not continue driving if the vehicle
is equipped with normal tires. Follow the infor‐
mation on run-flat tires and continued driving
with these tires.
If a tire inflation pressure check is
required
Message
A symbol with a Check Control message ap‐
pears on the Control Display.
Symbol Possible cause
Inflation was not carried out accord‐
ing to specifications, for instance
when the tire has not been suffi‐
ciently inflated or in the case of a
natural steady tire pressure loss.
Measure
Check the tire pressure and correct as needed.
Seite 361
Wheels and tires
MOBILITY
361
Online Edition for Part no. 01402913686 - X/19
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