1995 GMC Sonoma Owner's Manual - Page 81

Turn Signal and Lane Change Indicator 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. A green arrow on the instrument panel will flash in the direction of the turn or lane change. lAA To signal a lane change, raise or lower the lever until the green arrow just 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 green arrows don't go on at all when you signal a turn, check the fuse (see"Fuses" in the Index) and for burned-out bulbs. If you have a trailer towing option with added wiring for the trailer lights, a different turn signal flasher is used. With this flasher installed, the signal indicator will flash even if a turn signal bulb is burned out. Check the front and rear turn signal lights regularly to make sure they are working. 2-35