1999 GMC Sierra 1500 Pickup Owner's Manual - Page 84

Featums & Controls ManualTransmission: Moveyourshiftlever to neutraland hold the clutch pedal to thefloor while starting the engine. Your vehicle won't start if the clutch pedal is not all -the way down-that's a safety feature. 2. Turnyourignitionkey to Run.Don't turn it to Start. - LUUk I 3. Presstheacceleratorpedalallthewaydownandthenrelease it. Withtheignition in Run, the GLOW PLUGSlightwillcomeon.This means that part of yourengine is being warmed up for better starting. Whenthelightgoes off, yourengine is readytostart. If the engine l s alreadywarm, this light maynot come.'on. That's normal. 4. If this lightdoesnotcomeon,ortheinstantthelightgoes ignition key to Start. Whentheenginestarts,letgo off, turn your of the key. 2-1 6