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122
DRIVING
TYRE UNDER-INFLATION
DETECTION
A pressure sensor is located in the
valve of a each of these tyres.
The system triggers an alert if a drop
in pressure is detected in one or more
tyres.
This system does not avoid the
need to check the tyre pressures
regularly and before a long journey.
Driving with under-infl ated tyres
adversely affects road holding,
extends braking distances and
causes premature tyre wear, par-
ticularly under arduous conditions
(vehicle loaded, high speed, long
journey).
System which automatically checks the
pressures of the tyres while driving.
The system continuously monitors the
pressures of the four tyres, as soon as
the vehicle is moving.
The tyre under-infl ation detection
system is an aid to driving which
does not replace the need for the
driver to be vigilant or to drive re-
sponsibly.
Driving with under-infl ated tyres in-
creases fuel consumption.
The tyre pressures for your vehicle
can be found on the tyre pressure
label (see the "Identifi cation mark-
ings" section).
The tyre pressures must be
checked when the tyres cold (vehi-
cle stopped for 1 hour or after driv-
ing for less then 6 miles (10 km) at
moderate speed). Otherwise, add
0.3 bar to the values indicated on
the label.
Spare wheel
Don't forget to also check the tyre
pressure of the spare wheel.
If your vehicle has an alloy spare
wheel, this also has a sensor.
If your vehicle has a steel spare
wheel, this may be fi tted with a
sensor * . Check whether a sensor
is fi tted to a steel wheel.
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