1993 GMC Safari Owner's Manual - Page 181

Onafreeway,useyour high beamsonly in remoteareaswhereyouwon't impairapproachingdrivers.Insome places, like cities,using high beamsis illegal. low beams. Whenyoufollowanothervehicleonafreewayorhighway,use to True,mostvehiclesnowhaveday-nightmirrorsthatenablethedriver reduceglare.Butoutsidemirrorsarenot of thistypeand high beamsfrom behindcanbotherthedriverahead. A Few More Night Driving Suggestions Keepyourwindshieldandalltheglassonyourvehicleclean-insideandout. Glareatnight is mademuchworsebydirtontheglass.Eventheinside of theglasscanbuildupafilmcausedbydust. Tobaccosmoke alsomakes if it'sleftthere. insideglasssurfacesveryfilmyandcanbeavisionhazard Dirtyglassmakeslightsdazzleandflashmorethan makingthepupils ofyoureyescontractrepeatedly. keepa cloth andsomeglasscleanerinyourvehicle your glass frequently. Rememberthatyourheadlightslightupfarless in a turn orcurve. Keepyoureyesmoving;thatway,it'seasier clean glass would, Youmightevenwant to if youneedtoclean of aroadwaywhenyouare to pickoutdimlylightedobjects. so should Justasyourheadlightsshouldbecheckedregularlyforproperaim, youreyesbeexaminedregularly.Somedriverssufferfromnight blindness-the inability to see in dimlight-and aren'tevenawareofit. 4-25