Pontiac 2002 Grand Prix Owner's Manual page 122

To adjust for compass variance, do the following:
1. Find your current location and variance zone number
on the map.
2. Press and hold the COMP button for three seconds.
If your vehicle has the optional mirror with the
compass, temperature display and OnStar system,
press the on/off button for six seconds. Release the
button when "ZONE" is displayed. The number
shown is the current zone number.
2-62
3. Scroll through the zone numbers that appear in the
compass/temperature window on the mirror by
pressing the COMP button or the on/off button. Once
you find your zone number, release the button. After
about four seconds, the mirror will return to the
compass and temperature display, and the new zone
number will be set.
Electrochromic Day/Night Rearview Mirror
with Compass, Temperature Display, and
R
OnStar (Option)
Your vehicle may have an automatic
mirror with a compass and temperature display and the
OnStar system.
When turned on, this mirror functions exactly like the
electrochromic mirror described previously. See
"Mirrors, Electrochromic Rearview" in the Index for
more information.
The mirror also has an eight
temperature display in the upper right corner on the
-
mirror face and a three button OnStar system.
: The button with this symbol is the on/off button for
the mirror functions such as automatic dimming and
temperature display. It is the far left button located on
the lower part of the mirror face.
-
dimming rearview
-
point compass and