Toyota Matrix 2009 Owner's Manual page 198

3-6. Other interior features
Circling calibration
n
Stop the vehicle in a place where it is safe to drive in a circle.
STEP 1
STEP 2
STEP 3
Conditions unfavorable for correct operation
n
The compass may not show the correct direction in the following situations:
The vehicle is stopped immediately after turning.
l
The vehicle is on an inclined surface.
l
The vehicle is in a place where the earth's magnetic field is subject to
l
interference by artificial magnetic fields (underground car park/parking
lot, under a steel tower, between buildings, roof car park/parking lot, near
an intersection, near a large vehicle, etc.).
The vehicle has become magnetized.
l
(There is a magnet or metal object near the anti-glare inside rear view
mirror.)
The battery has been disconnected.
l
l A door is open.
264
Press and hold "AUTO" for 9
seconds.
C appears on the compass dis-
play.
Drive the vehicle at 5 mph (8
km/h) or less in a circle until a
direction is displayed.
If there is not enough space to
drive in a circle, drive around the
block until the direction is dis-
played.