1993 GMC Suburban Owner's Manual - Page 71
1993 GMC Suburban Manual
Page 71 highlights
. . K2385 Power Door Locks (Option) Pressthebottom of thepowerdoorlockswitchmarked door,tolockallthedoorsatonce.Presstheswitchmarked unlockallthedoorsatonce. LOCK, on either front UNLOCK to Leavhg Your Vehide If youareleavingthevehicle,takeyourkeys,openyourdoorandsetthe locksfromtheinside,thenget out andclosethe door. It canbedangeroustodrivewiththetailgate,tailgateglassorarear dooropen.CarbonMonoxide(CO)gascancomeintoyourvehicle. You can'tseeorsmell CO. Itcancauseunconsciousnessandeven death. If you mustdrivewiththetailgate,tailgateglassor Q a reardooropen: Makesureallwindowsareshut. Turnthefanonyourheatingorcoolingsystemtoitshighest speedwiththesetting on VENT. That will force outside air into yourvehicle.See"ComfortControls'' in theIndex. If you haveairvents on orundertheinstrumentpanel,open themallthe way. 8 Q 2-7