1993 GMC Sonoma Owner's Manual - Page 91

For a singlewipingcycle, turn the band to MIST. Hold it there until the wipersstart, then let go. The wiperswillstopafteronecycle. If youwant morecycles, hold the band on MIST longer. Forsteadywipingatlowspeed,turnthe band awayfromyou to the LO position.Forhighspeedwiping, turn the band further,to HI. To stopthe wipers,move the band to the off symbol. PO177 Low Speed Delay Wipers (Option) You canset the wiperspeedfor a long orshortdelaybetweenwipes.This canbevery useful in light rain orsnow.Turnthe band tochoosethedelay time. The closer to LO, the shorterthedelay. CAUTION Damagedwiperbladesmaypreventyoufromseeingwellenoughto drivesafely. To avoid damage,besure to clear ice and snowfrom thewiperbladesbeforeusingthem. If they're frozentothe windshield,carefullyloosen orthawthem.Ifyourbladesbecome damaqed,getnew blades orbladeinserts. I IHeavysnow or ice canoverloadyourwipers. until themotor cools. Clearawaysnoworice - A circuitbreaker will stopthem to preventanoverload. - 2-39