2002 GMC Sonoma Owner's Manual - Page 111

Turn Signal/Multifunction Lever Turn and Lane-Change Signals The turn signal has two upward (for right) and two downward (for left) positions. 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. The lever on the left side of the steering column includes the following: D D D D D D Turn and Lane-Change Signals Headlamp High/Low-Beam Changer Flash-to-Pass Feature Windshield Wipers Windshield Washer Cruise Control (If Equipped) 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. As you signal a turn or a lane change, if the arrows don't flash but just stay on, a signal bulb may be burned out and other drivers won't see your turn signal. If a bulb is burned out, replace it to help avoid an accident. If the arrows don't go on at all when you signal a turn, check the fuse (see "Fuses and Circuit Breakers" in the Index) and for burned-out bulbs. 2-41