Buick Regal 2014 Owner's Manual page 18

Turns the lamps on when any
door is opened.
Keeps the lamps on all
the time.
There are front and rear reading
lamps.
The front reading lamps are in the
overhead console.
The rear reading lamps are in the
headliner.
Press to turn each lamp
on or off.
For more information, see Dome
Lamps on page 6-5.
The exterior lamp control is on the
instrument panel on the outboard
side of the steering wheel.
Turns off the exterior lamps.
The knob returns to the AUTO
position after it is released. Turn to
again to reactivate the
AUTO mode.
In Canada, the headlamps will
automatically reactivate once the
vehicle is shifted out of P (Park).
Automatically turns the
exterior lamps on and off,
depending on outside lighting.