Chevrolet 2001 Blazer, Owner'S Manual

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At night, when the glare is too high, the mirror will
gradually darken to reduce glare (this change may take a
few seconds). The mirror will return to its clear daytime
state when the glare is reduced. The mirror will also
return to its clear daytime state when the vehicle is put
into REVERSE (R).
Press the AUTO button at the base of the mirror to turn
on the automatic feature. The button has an indicator
light to show it is on. Press the OFF button to turn the
automatic feature off.
Time Delay
The automatic mirror has a time delay feature which
prevents unnecessary switching from the night back to
the day position. This delay prevents rapid changing of
the mirror as you drive under lights and through traffic.
Cleaning the Photocells
Use a cotton swab and glass cleaner to clean the
photocells when necessary.
Electrochromic Day/Night Inside Rearview
Mirror with OnStar
R
(If Equipped)
Your vehicle may be equipped with an electrochromic
day/night rearview mirror with the OnStar system.
This mirror functions exactly as the electrochromic
mirror described previously with the exception of the
three OnStar buttons located at the bottom of the
mirror face and the ON/OFF button to the left of the
OnStar controls. Press the ON/OFF button to turn on
the electrochromic mirror. Press the button again to
turn it off.
See your dealer for more information on subscribing to
OnStar. See “OnStar System” in the Index for more
information on using OnStar.