1993 GMC Suburban Owner's Manual - Page 239

Try tohavea GM dealeroraprofessionaltowingservice tow yourvehicle. Theycanprovidetherightequipmentandknowhow to tow it without damage. If your vehicle has been changed since it wasfactory-new, by adding things likefoglamps,aeroskirting, orspecialtiresandwheels,thesethingscould bedamagedduringtowing. Beforeyoudoanything,turnon Whenyoucall,tellthetowingservice: 8 the hazardwarningflashers. Thatyourvehiclehasrear-wheeldrive, option. Themake,model,andyearofyourvehicle. or that it hasthefour-wheeldrive e 6 Whetheryoucanmovetheshiftleverforthetransmissionandtransfer f case, i you haveone. If therewas an accident,whatwasdamaged. w To help avoid injury to you orothers: in a vehicle that is being towed. or posted speeds. Never let passengers ride Never tow faster than safe 8 8 Nevertowwithdamaged parts notfullysecured. it hasbeenliftedbythetow Nevergetunderyourvehicleafter Alwaysuseseparatesafetychains 8 on eachsidewhentowinga off. Thesteering Whenyourvehicle is beingtowed,havetheignitionkey wheelshouldbeclamped in astraight-aheadposition,withaclampingdevice Do notusethevehicle'ssteeringcolumnlock for designedfortowingsetvice. this.Thetransmissionandtransfercase,ifyouhaveone,shouldbein Neutralandtheparkingbrakereleased. If youhaveatwo-wheeldrivevehicle,don'thaveyourvehicletowed on the rearwheels,unless you must. If thevehiclemustbetowed on therear (56 kmlh) orfartherthan50miles(80 wheels,don'tgomorethan35mph km)oryourtransmissionwillbedamaged. I theselimitsmust be exceeded, f thenthereardrivewheelshavetobesupportedonadolly. 5-7