1997 Buick Century Owner's Manual - Page 156

If you turn it on again, the rear defogger will only run for about fiveminutes before turning off. You can also turn it off by pressing the button again. Do not attach anything like a temporary vehicle license or decal acrossthe defogger grid. h Audio Systems Your Delco@audio system has been designed to operate easily and give years of listening pleasure. You will get the most enjoyment out of it if you acquaint yourself with it first. Find out what your Delco system can do and how to operate all its controls, to be sure you're getting the most out of the advanced engineering that went into it. I NOTICE: I Don't use a razor blade or anything else sharp on the insideof the rear window.If you do, you could cutor damage the warming grid, and the repairs wouldn't be covered by your warranty. I I Setting the 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 youpress RECALL first and follow the same procedure described above. 3-12