– This system bases any warnings on tar-
get pressures.
– When using tires with special approval,
this system bases any warnings on the
last tire pressures saved at the reset.
One to four yellow wheels
In the Tire Pressure Monitor on the Interac-
tion Unit, one to four wheels illuminate if
one of the tires shown is flat or has lost a
large amount of pressure.
Gray wheels
The wheels illuminate gray on the Interac-
tion Unit if it is not possible to detect a loss
of tire pressure.
Possible causes are:
– The system may not be operational.
– After confirming the tire settings, the
tire pressure is measured automatically.
– When using tires with special approval:
The system is being reset.
For tires with special approval:
performing a reset
When using tires with special approval, pro-
ceed as follows to reset:
1. Go through the menu as follows: Apps
menu / "Vehicle" / "Vehicle status" /
"Tire Pressure Monitor".
2. Make sure that the tire settings are cor-
rect.
3. Turn on drive-ready state but do not
drive off.
4. "Perform reset"
5. Drive off.
The wheels are shown in gray and the tire
pressure is reset.
After a travel time of several minutes, the
set tire inflation pressures are accepted as
the predefined tire inflation pressures. The
reset is completed automatically while driv-
ing.
After resetting, the wheels are shown in
green on the Interaction Unit and a mes-
sage appears.
You may interrupt this trip at any time.
When you continue driving the reset re-
sumes automatically.
Additional information:
Tire settings, refer to page 300.
Messages: for tires without special
approval
General information
When using tires without special approval,
the Tire Pressure Monitor may display a
message.
When a flat tire is indicated, the Dynamic
Stability Control may be turned on.
Safety information
Warning
A damaged regular tire with low or no tire
inflation pressure impacts handling such
as steering and braking response. Runflat
tires can maintain limited stability. There
is a risk of accident. Do not continue driv-
ing if the vehicle is equipped with normal
tires. Follow the information on runflat
tires and continued driving with these
tires.
If a tire inflation pressure check is
required
Message
When using tires without special approval,
the Tire Pressure Monitor displays a mes-
sage if it is necessary for you to check the
tire pressure.
Seite 302
MOBILITY Wheels and tires
302
Online Edition for Part no. 01405B37A59 - II/24
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