Mazda CX-3 Owner's Manual page 517

NOTE
The rear overhead light also turn on and
off when the front overhead light switch
is operated.
Map Lights
When the overhead light switch is in the
door or off position, press the lens to
illuminate the map lights, and then press
the lens again to turn them off.
NOTE
The map lights will not turn off even
if the lens is pressed in the following
cases:
The overhead light switch is in the
    
ON position.
The overhead light switch is in the
   
door position with the door open.
The illuminated entry system is on.
   
Interior Equipment
Luggage Compartment Lights
Switch
Luggage Compartment Light
Position
Light off
Light on when the liftgate is open
Interior Features
5–159