1996 Buick Roadmaster Owner's Manual - Page 133

Rear Window Defogger Audio Systems Your Delco@audio system has been designed operate to easily and give years of listening pleasure. You will get the most enjoymentout of it if you acquaint yourself with it first. Find out what your Delco system can do and how to operate all itscontrols, to be sure you're getting the most outof the advanced engineering that went into it. @ REAR DEFOG:Press &usbutton to getfog or ice off your rear window. After minutes, the rear window 10 defogger will go off by itself, or pressing the button again during the heating cycle will shut off. If you need it additional warming time, press the button again. If you have the heated outside rearview mirrors option, the mirrors will be warmed when the rear defogger on. is Do not attach anything like a temporary vehicle license or decal across the defogger grid on the rear window. S'ettingthe Clock Press and hold HRS until the correct hour appears. Press and hold MIN until.the correct minute appears. You may set the clock with the ignition off if you press RECALL first and follow the same procedure described above. NOTICE: Don't use a razor blade or something else sharp of If on the inside the rear window. you do, you could cutor damage the warming grid, and the repairs wouldn't be covered by your warranty. 3-5