1997 GMC Suburban Owner's Manual - Page 108

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. If you move the lever all the way up or down and the arrow flashes at twice the normal rate, a signal bulb may be burned out and other drivers may not see your turn signal. If a bulb is burned out, replace it to help avoid an To signal a turn, move the lever the way up or down. all accident. If the arrows don't goon at all when you When the turn is finished, the lever will return automatically. signal a turn, check for burned-out bulbs and a blown An arrow on the instrument panel will flash in the direction of the turn or lane change. fuse (see "Fuses" in the Index). Headlamp HighLow Beam Changer To change the headlamps from low beam to high high or to low, pull the turn signal lever all the way towards you. Then release it. When the high beams are on, this light on the instrument panel also will be on. signal a lane cnange, 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. IO 2-34