Cadillac 2012 CTS-V Owner's Manual page 20

The exterior lamp control is
located toward the end of the turn
signal/lane change lever.
Turn the band with this
symbol on it to operate the exterior
lamps.
The exterior lamp control has four
positions:
Turns off all lamps, except the
Daytime Running Lamps (DRL).
Turns the headlamps on
and off automatically, depending
upon how much light is available
outside of the vehicle.
Turns on the parking lamps,
together with the sidemarker lamps,
taillamps, license plate lamps, and
instrument panel lights.
Turns on the headlamps,
together with the parking lamps,
sidemarker lamps, taillamps, license
plate lamps, and instrument panel
lights.
For more information, see:
.
.
The windshield wiper lever is on the
right side of the steering column.
.
Move the windshield wiper lever to
select the wiper speed.