1999 GMC Sierra 1500 Pickup Owner's Manual - Page 119

To Reduce Speed While Using Cruise Control 1 K2260 1. Push in the button attheend of theleveruntilyoureachthelower button forlessthan a 1 mph (1.6 km/h) slower. speedyouwant,thenreleaseit. 2. To slowdown in verysmallamounts,pushthe halfsecond.Eachtimeyoudothis,you'llgo Passing Another Vehicle While Using Cruise Control Usetheacceleratorpedal to increaseyourspeed.Whenyoutakeyourfoot off thepedal,yourvehiclewillslowdown to theCruiseControlspeedyou earlier. set Using Cruise Control on Hills HowwellyourCruiseControlwillworkonhillsdependsuponyourspeed, load,andthesteepness of thehills.Whengoingupsteephills,youmay have to stepontheacceleratorpedal to maintain yourspeed.Whengoing downhill,you mayhave to brakeorshifttoalowergear to keepyourspeed of CruiseControl. Many down. Of course,applyingthebraketakesyouout driversfindthis to betoomuch trouble anddon'tuseCruiseControlon steephills. Whenyou turn off theCruiseControl or the ignition,yourCruiseControlset speedmemory is erased. 2-5 1