Buick REGAL 1997 Manual page 168

Do not attach anything like a temporary vehicle license
or decal across the defogger grid.
[NOTICE:
Don't use a razor blade or anything else sharp on
the inside of the rear window. If you do, you
could cut or damage the warming grid, and the
repairs wouldn't be covered by your warranty.
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.
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 you press
RECALL first and follow the same procedure
described above.
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