1999 GMC Sierra 1500 Pickup Owner's Manual - Page 74

Features & Controls Door Locks Unlocked doors can be dangerous. *- -.&&e; g&sr'!G,, . . L. _I.." L . 7.. * ssengers-especiallychildren-caneasilyopenthe doors and fa1 $%$out. Whena door is locked, thInsidehandle \ l't OD( it. 13+AFyOutsi's caneasily e-L-!r thro I an unlocKed aoor wnen you slow -* stop your vehicle. e&%or x, -- Thismaynotbe so obvious:You increasethechance of being thrownout of thevehicle in acrash if the doors aren'tlocked.Wear doors, andvouwillbefarbetter off safetybeltsproperly,lockyour whenevervoudrivevourvehicle. &;: z; Lt;.,$'.> y ' ? , . : ; S ? .dL& Y? There are several ways to lock and unlock your vehicle: 2-6