1993 GMC Safari Owner's Manual - Page 132
1993 GMC Safari Manual
Page 132 highlights
Comfort Controls & Audio Systems HeafindAir Conditioning System 1 L PO451 If your vehicle has air conditioning, your heating/air conditioning system will look like this. Beforeusingyourvehicle'sairconditioning,openthewindows vehicle ofhotair.Closethewindowswhenusingthesystem. to clear the r-an Lever Thetopleverhasfivepositions. toward HIGH. To increasetheair flow,move thelever Temperature Lever Theleftleverletsyouselectthetemperature of the air flowing into your vehicle. Move the lever up for warmer air. Move the lever down for cooler air. Function Lever Therightlevercanbemoved functions. to sevendifferentheatingandairconditioning Defrost: Thesettingwiththedefrostsymboloperatesthedefroster.Most of theaircomesoutnearthewindshield,withsomegoingtothefloorvents andsidewindowdefrostvents.Usethiswhenyougetfogor ice onthe windshield. BLEND: With thissetting,theheatedoutsideaircomesoutbetweenthe heater vents and defroster vents, with some air coming through the side vents.Adjustthetemperatureleverforwarmerorcoolerair. 3-6