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:
Audio repetition (Audio Rpt.) (where provided)
With this function the display repeats information relevant to the Radio (selected
radio station frequency or RDS message, automatic tuning or AutoSTore), audio CD
(track number).
...
Follow me home
The warning light on the dial comes on (on certain versions together with the
message on the display) when the "Follow me home" device is activated (see "Follow
me home" in ...
Heated Mirrors — If Equipped
These mirrors are heated to melt frost or ice. This feature is activated whenever
you turn on the rear window defroster. Refer to “Rear Window Features” in “Understanding
The Features Of Your Ve ...