Check
CHECK (VEHICLE SELF-TEST)
Automatic CHECK
Ignition on, all warning lamps for the functions tested light up. They go out after a few seconds.
At the same time, an automatic CHECK (vehicle self-test) is performed.
No
"major" fault has been detected: the CHECK OK indicator comes on after two seconds.
You can start your vehicle.
In the event of a fault
A "minor" fault has been detected: after the CHECK OK indicator, the warning lamp(s) light up.
You can start your vehicle; however, contact a PEUGEOT dealer promptly.
A "major" fault has been detected: the CHECK OK indicator does not come on and the warning lamp(s) light up.
Do not start your vehicle.
Contact a PEUGEOT dealer promptly.
Manual CHECK

Pressing the "CHECK/000" button on the instrument cluster starts the manual CHECK (vehicle self-test).
This function allows you to check at any time (ignition on or engine running):
- the active warnings,
- the status of the functions activated or deactivated (windscreen wipers, automatic headlamp activation).
With the engine running and the vehicle moving, the instrument cluster display shows the warning lamps (in the event of a fault).
As long as the passenger airbag is deactivated *, the indicator remains displayed.
* Depending on destination.
Test yourself
A quick Peugeot 407 quiz: every answer comes with an explanation and a link to the manual page.