Underinflation detection
This function alerts you in the event of underinflation or a puncture.
Choice of detection
This function alerts you in the event of underinflation or a puncture.
Automatic detection
Sensors monitor the tyre pressures.
In the event of a fault, a message appears on the instrument panel screen.
Detection on driver request
You can check the tyre pressures at any time.
- Press the (check) control a; the information is displayed on the instrument panel screen.

Detection on driver request
Display of good tyre condition

Display of good tyre condition
- Press the (check) control a.
The system informs you that the wheels of your vehicle are correctly inflated.
This information is only available on driver request.
Deflated tyre

Deflated tyre automatic detection

Deflated tyre detection on request
Automatic detection:
A message tells you which wheel is underinflated.
Detection on driver request:
The outline shows the underinflated wheel(s).
The message is accompanied by the service warning light coming on and an audible signal.
- Check the tyre pressures as soon as possible.
Punctured wheel

Punctured tyre automatic detection

Punctured tyre detection on request
Automatic detection:
A message tells you which tyre is punctured.
Detection on driver request:
The outline shows the punctured wheel(s).
The message is accompanied by the stop warning light coming on and an audible signal.
Tyre not monitored

Tyre not monitored automatic detection

Tyre not monitored detection on request
Automatic detection:
A message tells you which wheel is not monitored.
Detection on driver request:
The outline shows the wheel(s) not monitored.
- The message is accompanied by the service warning light coming on and an audible signal. Consult a Citroën dealer network.
- If you have fitted wheels not equipped with an underinflation sensor (snow tyres, etc.), consult a Citroën dealer network.
Test yourself
A quick Citroen C5 Aircross quiz: every answer comes with an explanation and a link to the manual page.