1993 GMC Suburban Owner's Manual - Page 240

If yourvehiclehasthefour-wheel-driveoptionandthetransfercase is engaged, a dolly mustbeusedundertherearwheelswhentowingfromthe front. You will find a coolant temperature gage on your vehicle instrument panel. M steam 1s coming From Your Enghe: I $C.p.:...: :::. . :::" ,: Steam from anoverheatedenginecanburn you badly,even if you justopenthehood.Stay away fromtheengine if you see or hear steamcomingfrom it. Just turn it off andgeteveryone away from thevehicleuntil it coolsdown.Wait until there is no sign ofsteamor coolantbeforeopeningthehood. I youkeepdrivingwhenyourengineisoverheated,theliquids f cancatchfire. You orotherscouldbebadlyburned.Stopyour engine if it overheats,andgetoutofthevehicleuntiltheengineis cool. in it li your engme catches flre because ycxi keep d n v q with no cooiant. your ugh~wecan be badly damaged The costly repars would not 3e covered by p u r war:anty. 5-8