1993 GMC Jimmy Owner's Manual - Page 154

For best results, clear the window of as much snow or ice as possible first. To turnontherearwindowdefogger,findtheswitchmarked REAR DEFOG on your instrument 'panel above the headlight switch. Press the top of this switchuntilthelight in theswitchcomeson,thenreleaseit.Therearwindow defoggerwillonlywork if the ignition switch is turned to RUN. Youcanturnthedefogger off atanytimebypressingthebottom of the switch. The defogger will shut itself off after several minutes so that the glass doesnotget too hot. I thewindowstillisn'tclear,turnthedefogger f on again. NOTICE I Audio Systems CAUTION A Hearing damage from loud noise 1 almost undetecta&je:until it is too s late. Yourhearing can adapt to higher volumes of sound, Saund that seems nurmal can be loud and harmful to your hearing. Taka precautions by adjusting the volume control on your radio to a safe sound level before your hearing adapts to it. To help avoid hearing l o s s or damage: t Adjust the volume control to the lowest sstring. Increase volume slowly until you hear comfortably and clearly. .. YourDelco@audiosystemhasbeendesigned to .operate easily and give years of listening pleasure. But you will get the most enjoyment out of it if you acquaint yourself with it first. Find out what your Oelco" system can do andhowtooperate all its controls, to besureyou'regettingthe most out of the advanced engirieering that went into it. FM Stereo . . FM stereo wl giveyou the bestsound. But FM signals wil reachonly about i 10 to 40 miles (16 to 65 km).And, tall buildings or hillscaninterferewith FM signals,causingthesoundtocomeandgo. 3-8