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:
Protecting the environment
The devices for curtailing petrol engine emissions are the following:
❒ three-way catalytic converter;
❒ Lambda sensor;
❒ fuel evaporation system.
In addition, do not let the ...
7. Turn Signal Indicators
The arrows will flash in unison with the exterior turn signal, when using the
turn signal lever. ...
Controls
(A): Air temperature knob (mixing hot and cold air);
(B): Air recirculation on/off button;
(C): Fan knob and climate control system on/off;
(D): Air distribution knob. ...