2014-2022 Peugeot 108 4 Door Driving -> Under-inflation detection User Manual
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Driving -> Under-inflation detection for Your Peugeot 108 4 Door 2014-2022

Driving  
Under-inflation detection  
The tyre under-inflation detection system  
does not replace the need for vigilance on  
the part of the driver.  
The tyre pressure specifications for your  
vehicle can be found on the tyre pressure  
label.  
This system still requires you to check the  
tyre inflation pressure (including the spare  
wheel) every month as well as before  
a long journey.  
Driving with under-inflated tyres impairs  
handling, extends braking distances and  
causes early tyre wear, particularly in  
adverse conditions (heavy loads, high  
speeds, long journeys).  
For more information on the  
Identification markings, refer to the  
corresponding section.  
Tyre pressures should be checked 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 (when hot), add 0.3 bar to the  
pressures shown on the label.  
This system automatically monitors the tyre  
pressure while driving.  
Driving with under-inflated tyres  
increases fuel consumption.  
The system monitors the pressure in all four  
tyres, once the vehicle is moving.  
Under-inflation alert  
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.  
This is shown by the warning lamp  
coming on, fixed, accompanied by  
an audible signal.  
F Reduce speed immediately, avoid excessive  
steering movements and sudden braking.  
F Stop as soon as it is safe to do so.  
Detection of loss of pressure does not  
always bring about a visible deformation  
of the tyre. Do not make do with just  
a visual check.  
92  
Driving  
The system must be reset with the ignition on  
(switch in the "ON" position or "ON" mode) and  
the vehicle stationary.  
F If you have a compressor (for example the  
one provided in the temporary puncture  
repair kit), check the pressure of all four  
tyres. If it is not possible to do this check  
immediately, drive carefully at reduced  
speed.  
Before reinitialising the system, ensure  
that the pressures of the four tyres  
are correct for the conditions of use  
of the vehicle and conform to the  
recommendations on the tyre pressure  
label.  
The under-inflation alert can only be relied  
on if the reinitialisation of the system has  
been done with the pressures in the four  
tyres correctly adjusted.  
F Open the glove box.  
F Press the reinitialisation button.  
F
When the indicator flashes  
or  
3 times in the instrument panel,  
the reinitialisation is complete.  
F In the event of a puncture, use the  
temporary puncture repair kit or the spare  
wheel (depending on equipment).  
F Wait a few minutes before switching off  
the ignition (switch to "ACC" or "LOCK"  
position, or "OFF" mode).  
The under-inflation detection system  
does not give a warning if a pressure is  
incorrect at the time of reinitialisation.  
The alert is kept active until the system is  
reinitialised.  
The new pressure parameters saved are  
treated as reference values by the system.  
Reinitialisation  
Snow chains  
The system does not have to be  
reinitialised after fitting or removing snow  
chains.  
6
The under-inflation alert can only be relied  
on if the reinitialisation of the system has  
been done with the pressures in the four  
tyres correctly adjusted.  
The system must be reinitialised after any  
adjustment to the pressures of one or more  
tyres, and after changing one or more wheels.  
A label on the driver's side centre pillar reminds  
you of this.  
93  
Driving  
Operating fault  
The flashing and then fixed  
illumination of the under-inflation  
warning lamp indicates a fault with  
the system.  
In this case, under-inflation monitoring of the  
tyres is no longer assured.  
Have the system checked by a PEUGEOT  
dealer or a qualified workshop.  
After any work has been done on  
the system, the pressures of the four  
tyres must be checked and the system  
reinitialised.  
94  

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