1993 Chevrolet Suburban Owner's Manual - Page 206
1993 Chevrolet Suburban Manual
Page 206 highlights
Hydroplaningdoesn'thappenoften.Butitcan if yourtireshaven'tmuchtread or if thepressureinoneormoreis low. It canhappen if a lot of wateris standingontheroad.Ifyoucanseereflectionsfromtrees,telephonepoles, orothervehicles,andraindrops"dimple"thewater'ssurface,therecouldbe hydroplaning. Hydroplaningusuallyhappens on higherspeedroads.Therejustisn'tahard andfastruleabouthydroplaning.Thebestadviceistoslowdownwhen raining,andbecareful. Some Other Rainy Weather Tips Turnonyourheadlights-notjustyourparkinglights-tohelpmake morevisibletoothers. Lookforhard-to-seevehiclescomingfrombehind. Youmaywanttouse yourheadlightsevenindaytime if it'sraininghard. Besidesslowingdown,allowsomeextrafollowingdistance.Andbe especiallycarefulwhenyoupassanothervehicle.Allowyourselfmore clearroomahead,andbepreparedtohaveyourviewrestrictedbyroad spray. If theroadspray is so heavyyouareactuallyblinded,dropback. Don'tpassuntilconditionsimprove.Goingmoreslowlyisbetterthan havinganaccident. Useyourdefogger if it helps. it is you Havegoodtireswithpropertreaddepth.(See"Tires"intheIndex.) 4-39