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Controls
A natural, even pressure loss in all four tires can‐
not be detected. Therefore, check the tire infla‐
tion pressure regularly.
The system could be delayed or malfunction in
the following situations:
▷
When the system has not been initialized.
▷
When driving on a snowy or slippery road
surface.
▷
Sporty driving style: slip in the drive wheels,
high lateral acceleration.
▷
When driving with snow chains.
Status display
The current status of the Flat Tire Monitor can
be displayed on the Control Display, e.g.,
whether or not the FTM is active.
1.
"Vehicle Info"
2.
"Vehicle status"
3.
"Flat Tire Monitor"
The status is displayed.
Initialization
The initialization process adopts the set inflation
tire pressures as reference values for the detec‐
tion of a flat tire. Initialization is started by con‐
firming the inflation pressures.
Do not initialize the system when driving with
snow chains.
1.
"Vehicle Info"
2.
"Vehicle status"
3.
"Reset"
4.
Start the engine - do not drive away.
5.
Start the initialization with "Reset".
6.
Drive away.
The initialization is completed while driving,
which can be interrupted at any time.
The initialization automatically continues when
driving resumes.
102
Safety
Online Edition for Part no. 01 40 2 900 735 - 03 12 490
Indication of a flat tire
The yellow warning lamp lights up. A
Check Control message is displayed.
There is a flat tire or a major loss in tire
inflation pressure.
1.
Reduce your speed and stop cautiously.
Avoid sudden braking and steering maneu‐
vers.
2.
Identify the damaged wheel. Do so by
checking the tire inflation pressure using the
Mobility System. If the tire inflation pressure
in all tires is correct, the Flat Tire Monitor
may not have been initialized. In this case,
initialize the system.
3.
Repair flat tire with the Mobility System, re‐
fer to page 246, or replace the damaged
wheel.
Lane departure warning
The concept
Starting at a specific speed, this system alerts
you when the vehicle on streets with lane mark‐
ings is about to leave the lane. Depending on the
country-specific version of the vehicle, the
speed is between 35 mph/55 km/h and
45 mph/70 km/h. When switching on the system
below this speed, a message appears in the in‐
strument cluster.
The steering wheel begins vibrating gently in the
event of warnings. The time of the warning may
vary depending on the current driving situation.
The system does not provide a warning if the
turn signal is set before leaving the lane.
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