Tyre Under-Inflation Detection; Opening The Bonnet - CITROEN C4 Spacetourer Handbook

Driving
Have it checked by a CITROËN dealer or
a qualified workshop.
If a fault occurs in STOP mode, the engine may
stall.
All of the instrument panel warning lamps come
on.
Depending on version, an alert message may also
be displayed, asking you to place the gear lever in
position N and press the brake pedal.
It is then necessary to switch off the ignition and
start the engine again using the "START/STOP"
button.
The Stop & Start requires the use of
a 12 V battery of special specification and
technology.
All work on this type of battery must be
carried out only by a CITROËN dealer or
a qualified workshop.
For more information on the 12 V battery,
refer to the corresponding section.

Opening the bonnet

Before doing anything under the bonnet,
deactivate the Stop & Start system to avoid
the risk of injury related to an automatic
change to START mode.
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Driving on flooded roads
Before driving in a flooded area, it is
strongly recommended that you deactivate
the Stop & Start system.
For more information on Driving advice,
particularly on flooded roads, refer to the
corresponding section.
Tyre under-inflation
detection
System which automatically checks the
pressures of the tyres while driving.
The system monitors the pressure of the four
tyres when the vehicle is moving.
It compares the information given by the
wheel speed sensors with reference values,
which must be reinitialised after every tyre
pressure adjustment or wheel change.
The system triggers an alert as soon as it
detects a drop in the pressure of one or more
tyres.
The under-inflation detection system does
not replace the need for vigilance on the
part of the driver.
This system does not avoid the need to
check the tyre pressures (including the
spare wheel) every month as well as
before a long journey.
Driving with under-inflated tyres worsens
road-holding, lengthens braking distances,
causes premature wear of the tyres,
particularly in adverse conditions (heavy
loads, high speeds, long journeys).
Driving with under-inflated tyres
increases fuel consumption.
The inflation pressures defined for your
vehicle can be found on the tyre pressure
label.
For more information on the
Identification markings, refer to the
corresponding section.