The warning light on the dial turns on (on certain versions together with the message on the display) when one or more doors, the boot (indication fitted on some versions only) or the bonnet are not properly shut.
Symbols 
shown on the multifunction
display indicate incomplete left/right door closing.
With doors and boot open, if 4 km/h speed is exceeded the buzzer will sound (only for versions with reconfigurable multifunction display).
IMPORTANT On versions not fitted with electric door lock, no warning message will be displayed if door is not perfectly closed or is left open.
See also:
Using the seat belts
The belt should be worn keeping the chest straight and rested against the seat
back.
To fasten the belt, take hold the tongue (A) and insert it into the buckle (B),
until hearing the locking cl ...
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The warning light on the dial turns on when the main beams are turned on. ...
Reactive Head Restraints — Front Seats
The front driver and passenger seats are equipped with Reactive Head Restraints.
In the event of a rear impact the Reactive Head Restraints will automatically extend
forward minimizing the gap bet ...