Buick 2002 Century - Manual (Page 102)

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Turn Signal/Multifunction Lever
The lever located on the left side of the steering column
includes the following:
D Turn and Lane
- Change Signals
D Headlamp High/Low - Beam Changer
D Flash - to - Pass Feature
D Windshield Wipers
D Windshield Washer
D Cruise Control (If Equipped)
Turn and Lane-Change Signals
The turn signal has the following positions: two upward
(for right) and two downward (for left). These positions
allow you to signal a turn or a lane change.
To signal a turn, move the lever all the way up
or down. When the turn is finished, the lever will
return automatically.
An arrow on the instrument
panel cluster will flash in
the direction of the turn or
lane change.
To signal a lane change, just raise or lower the lever
until the arrow starts to flash. Hold it there until you
complete your lane change. The lever will return by
itself when you release it.