Engine Block Heater; Audio Systems - GMC 1993 Safari Owner's Manual

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does not get
too hot. If the window still isn't clear, turn the defogger on
again.
1
NOTICE
Scraping the inside of your rear window could cut and damage the
'
'ogger. Your warranty would not cover
this darn8nQ. And den'+ p i
--:ais there, you might have
to scrape them OP
Engine Block Heater
If you use the optional engine block heater before starting your engine, your
heating system will produce warmer air faster to heat the passenger
compartment in cold weather. See "Engine Block
Heater" in the Index.
Audio Systems
Your Delco@ audio system has been designed
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 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.
A
Hearing damage from
loud noise is almost undetectable until it
is too
late. Your hearing can adapt
to higher volumes of sound. Sound
that
seems normal can be loud and harmful
to your hearing. Take
precautions by adjusting the volume control
on your radio
to a safc
-lrnd level before hearing adapts
to
it.
To help avoid hearing loss or damage:
Adjust the v o l u m ~ w t r o l to
the
lowest setting.
Increase volume slowly until you hear comfortably and clear
3-9

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