1999 GMC Sierra 1500 Pickup Owner's Manual - Page 118

.Featurns & Controls To Increase Speed While Using Cruise Control There are two waystogo to a higher speed.Here's the first: 1. Usetheacceleratorpedaltoget to thehigherspeed. K2207 2. Pushthebuttonattheend accelerator pedal. You'llnowcruiseatthehigherspeed. Here's the Second Way 1. MovetheCruiseswitchfrom 2. To increaseyourspeed of thelever,thenreleasethebuttonandthe to go to a higher speed: ON to WA. Hold it thereuntilyougetup to thespeedyouwant,andthenreleasetheswitch. in verysmallamounts,movetheswitch forlessthanhalfasecondandthenreleaseit.Eachtimeyoudothis, 1 mph (1.6 km/h)faster. yourvehiclewillgoabout to WA I ' 2-50