PEUGEOT 508 Handbook page 36

Instruments and controls
CHECK (vehicle autotest)
Automatic CHECK
With the key in the ignition on position, all of the
warning lamps for the functions tested are displayed.
They are switched off after a few seconds.
At the same time, an automatic CHECK
(vehicle autotest) is carried out.
If no "major" fault is found, you can start your
vehicle.
In the presence of a fault
A "minor" fault has been detected: the warning
lamp(s) are displayed then go off.
You can start your vehicle; however, contact
a PEUGEOT dealer or a qualified workshop
as soon as possible.
A "major" fault has been detected:
the associated warning lamps(s) remain
on accompanied by the STOP or SERVICE
warning lamp.
Do not start your vehicle.
Call a PEUGEOT dealer or a qualified
workshop without delay.
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Manual CHECK
Pressing the "CHECK" button on the instrument
panel starts the manual CHECK (vehicle autotest).
This function enables you to recall at any time (with
the key in the ignition on position or with the engine
running), the alerts present.
With the engine running and the vehicle
moving, the instrument panel displays
the warning lamps (in the event of a fault).
The passenger's airbag deactivated
i
warning lamp * remains on while
the airbag is deactivated.
* According to country.
Lighting dimmer control
With the headlamps on, press button B to
increase the brightness of the instruments and
controls and the interior mood lighting or button A
to reduce it.
As soon as the lighting reaches the required
level of brightness, release the button.