Get Driving -> Tyre under-inflation detection Guide for Citroen C4 SUV Third Generation (2020-2025)

Driving

The vehicle stalls in STOP mode

The tyre under-inﬂation detection cannot,

in any circumstances, replace the need

for vigilance on the part of the driver.

This system does not avoid the need to

regularly check the tyre pressures (including

the spare wheel), especially before a long

journey.

Snow chains

The system does not have to be

reinitialised after ﬁtting or removing snow

chains.

All of the instrument panel warning lamps come

on if there is a fault.

► Switch oﬀ the ignition then start the engine

again with the key or the "START/STOP" button.

Under-inﬂation alert

12 V battery

The Stop & Start system requires a

12 V battery of speciﬁc technology and

speciﬁcation.

All work must be carried out only by a

CITROËN dealer or a qualiﬁed workshop

This is signalled by the ﬁxed illumination

of this warning lamp, accompanied by an

audible signal and, depending on equipment, the

display of a message.

► Reduce speed immediately, avoid excessive

steering movements and avoid sudden braking.

► Stop the vehicle as soon as it is safe to do

so.

Driving with under-inﬂated tyres, particularly

in adverse conditions (heavy load, high

speed, long journey):

– worsens road-holding.

– lengthens braking distances.

– causes premature wear of the tyres.

– increases energy consumption.

Tyre under-inﬂation

detection

This system alerts the driver if one or more tyres

suﬀer a drop in pressure.

The inﬂation pressures deﬁned for the

vehicle can be found on the tyre pressure

label.

For more information on the Identiﬁcation

markings, refer to the corresponding section.

The loss of pressure detected may not

always cause visible deformation of the

tyre.

Do not rely on just a visual check.

The alert is raised when the vehicle is moving,

not when stationary.

► Using a compressor, such as the one in

the temporary puncture repair kit, check the

pressures of all four tyres when cold.

► If it is not possible to carry out this check

immediately, drive carefully at reduced speed.

► In the event of a puncture, use the

temporary puncture repair kit or the spare wheel

(depending on equipment).

It compares the information given by the wheel

speed sensors with reference values, which

must be reinitialised every time the tyre

pressures are adjusted or a wheel changed.

It takes into account the last values stored

during the reinitialisation request. It is therefore

essential that the tyre pressure is correct during

the operation. This operation is the driver’s

responsibility.

Checking tyre pressures

This check should be done monthly

when the tyres are "cold" (vehicle stopped for

1 hour or after a journey of less than 6 miles

(10 km) at moderate speeds).

Otherwise, add 0.3 bar to the pressures

shown on the label.

Driving too slowly may not ensure

optimum monitoring.

The alert is not immediately triggered in the

event of a sudden loss of pressure or tyre

108

Driving

same as the others), the pressure readjusted

blow-out. This is because analysis of the

values read by the wheel's speed sensors

can take several minutes.

The alert may be delayed at speeds below

25 mph (40 km/h), or when adopting a sporty

driving mode.

With MyCitroën Drive

With the vehicle stationary, the system

can be reinitialised via the Vehicle touch

screen menu.

and the reinitialisation carried out.

Driving and manoeuvring

aids - General

recommendations

With MyCitroën Drive Plus

With the vehicle stationary, the system

can be reinitialised in the

Settings>Vehicle touch screen application.

► Then select Safety > Tire Pressure Setup.

► Press YES to conﬁrm.

The alert is kept active until the system is

reinitialised.

Driving and manoeuvring aids cannot, in

any circumstances, replace the need for

vigilance on the part of the driver.

The driver must comply with the Highway

Code, must remain in control of the vehicle in

all circumstances and must be able to retake

control of it at all times. The driver must adapt

the speed to climatic conditions, traﬃc and

the state of the road.

It is the driver's responsibility to constantly

monitor traﬃc conditions, assess the distance

and relative speed of other vehicles, and

anticipate their manoeuvres before using the

direction indicator and changing lanes.

These systems do not make it possible to

exceed the laws of physics.

Reinitialisation

► The system must be reinitialised after any

adjustment to the pressure of one or more tyres,

and after changing one or more wheels.

The reinitialisation is conﬁrmed by the display of

a message and an audible signal.

Malfunction

In the event of a malfunction,

these warning lamps light up on

the instrument panel.

A message appears, accompanied by an audible

signal.

In this case, the tyre under-inﬂation monitoring

function is no longer performed.

Have it checked by a CITROËN dealer or a

qualiﬁed workshop.

Before reinitialising the system, make

sure that the pressures of the four tyres

are correct for the conditions of use of the

vehicle and conform to the values written on

the tyre pressure label.

Check the pressures of the four tyres before

performing the reinitialisation.

The system does not advise if a pressure is

incorrect at the time of reinitialisation.

Non-standard or 'space-saver' spare

wheel

With Touch screen BLUETOOTH audio

system or MyCitroën Play

Driving aids

The use of this type of spare wheel may

suspend tyre pressure monitoring.

In this case, the malfunction warning lamp

comes on and disappears once the wheel

has been replaced by one of uniform size (the

You should hold the steering wheel with

both hands, always use the door and interior

mirrors, always leave your feet close to the

pedals and take a break every 2 hours.

With the vehicle stationary, the system

can be reinitialised via the Driving touch

screen menu.

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Driving -> Tyre under-inflation detection for Your Citroen C4 SUV Third Generation (2020-2025)

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