Cadillac 2011 DTS Owner's Manual page 167

The lever on the left side of the steering column
includes the following:
Turn and Lane-Change Signals
Headlamp High/Low-Beam Changer
Windshield Wipers
Windshield Washer
Flash-To-Pass Feature.
Information for these features is on the pages following.
For vehicles with the side blind zone alert system,
an arrow in the outside mirror flashes when the turn
signal is used. See Side Blind Zone Alert (SBZA) on
page 3 42 for more information.
Move the lever all the way up or down to signal a turn.
Raise or lower the lever until the arrow starts to flash to
signal a lane change. Hold it there until the lane change
is complete. If the lever is briefly pressed and released,
the turn signal will flash three times.
The lever returns to its starting position when it is
released.
An arrow on the
instrument panel cluster
flashes in the direction of
the turn or lane change.
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