1993 GMC Suburban Owner's Manual - Page 83

8 OB (Automatic Overdrive) If youneedmorepowerforpassing,and Thispositionisfornormaldriving. you're: - Goinglessthanabout way down 35 mph (56 kmlh),push youraccelerator pedalabouthalfwaydown all the - Goingabout 35 mph (56 kmlh)ormore,pushtheaccelerator You'llshiftdowntothenextgearandhavemorepower. OD should no%beusedwhentowingatrailer,carrying a heavy load. driving onsteephills,orforoff-roaddriving.Select D (thirdgear)whenoperatingthe vehicleunderany of theseconditions. * D (Third Gear) You shoulduse D when Thisislike OD, butyounevergointoOverdrive. towingatrailer,carryingaheavyload,drivingonsteephills,orforoff-road driving. 6 2 (%econd Gear) Thispositiongivesyoumorepowerbutlowerfueleconomy. You canuse 2 onhills. It canhelpcontrol yourspeedasyou go downsteepmountain off andon. roads,butthenyouwouldalsowanttouseyourbrakes If youmanuallyselect 2, thetransmissionwilldrive in secondgear.Youmay usethisfeatureforreducingtorquetotherearwheelswhenyouaretryingto startyourvehiclefromastoponslipperyroadsurfaces. Q 4 (First Gear) power (butlowerfueleconomy)than 2. Thispositiongivesyouevenmore You canuse it onverysteephills, or in deepsnow or mud. If theselector lever is put in 1, thetransmissionwon'tshiftintofirstgearuntilthevehicle is going slowly enough. 2-1 9