2007 TOYOTA TUNDRA tires

89 TIRE CHANGE CALIBRATION
The tire change calibration function will be
used when replacing the tires. This function
will adjust the miscalculation caused by the
circumference difference between the old
and new tires. If this procedure is not per-
formed when tires are replaced, the current
vehicle position mark may be incorrectly dis-
played.
4U5105G
To perform a distance calibration
procedure, touch “Tire Change” on the
“Calibration” screen.
The message appears and the quick distance
calibration is automatically started. A few
seconds later, a map screen will be displayed.

92
Maintenance information —
— Maintenance information
setting
When the Navigation System is turned on, the
“Information” screen displays when it is time
to replace a part or certain components. (See
page 2.)
1. Push the “INFO” button.
5U5112G
2. Touch “Maintenance”.
5U5077G
3. Touch the desired touchscreen but-
ton.
For details of each touch−screen button, see
“INFORMATION ITEMS” on page 92.
“Delete All”: To cancel all conditions which
have been inputted.
“Reset All”: To reset the item which has sat-
isfied a condition.
“Set Dealer”: To register or edit dealer infor-
mation. (See “ — Dealer setting” on page
93.)
If “ON” is selected, the system gives mainte-
nance information with the “Information”
screen when the system is turned on. (See
page 2.)
If “OFF” is selected, the “Information” screen
is disabled.
When the vehicle needs to be serviced, the
touch−screen button color will change to
orange.INFORMATION ITEMS
“ENGINE OIL”: Replace engine oil
“OIL FILTER”: Replace engine oil filter
“ROTATION”: Rotate tires
“TIRES”: Replace tires
“BATTERY”: Replace battery
“BRAKE PAD”: Replace brake linings
“WIPERS”: Replace wiper blades
“LLC”: Replace engine coolant
“BRAKE OIL”: Replace brake fluid
“ATF”: Replace ATF
“SERVICE”: Scheduled maintenance
“AIR FILTER”: Replace air filter
“PERSONAL”: New information items can
be created separately from provided ones

206
Rear view monitor system
The rear view monitor system assists the
driver by displaying an image of the view
behind the vehicle while backing up. The
left and right displayed on the screen are
the same as those of the inside rear view
mirror.
To display the rear view image on the
screen, place the selector lever in the “R”
position when the ignition key is in the
“ON” position.
If you move the selector lever out of the “R”
position, the screen returns to the previous
screen. Operating another function of the
navigation system will display another
screen.
The rear view monitor system is a supple-
ment device intended to assist back up.
When backing up, be sure to check behind
and all around the vehicle visually.CAUTION
Never depend on the rear view
monitor system entirely when
backing up. Always make sure your
intended path is clear.
Use caution just as you would when
backing up any vehicle.
Never back up while looking only at
the screen. The image on the screen
is different from actual conditions.
Depicted distances between objects
and flat surfaces will differ from
actual distances. If you back up while
looking only at the screen, you may
hit a vehicle, a person or an object.
When backing up, be sure to check
behind and all around the vehicle
visually and with mirrors before
proceeding.
Do not use the system when the tail
gate is not completely closed.
If the back of the vehicle is hit, the
position and mounting angle of the
camera may change. Be sure to have
the camera’s position and mounting
angle checked at your Toyota dealer.
As the camera has a water proof
construction, do not detach,
disassemble or modify it. This may
cause incorrect operation.
If the temperature changes rapidly,
such as when hot water is poured on
the vehicle in cold weather, the
system may not operate normally.
If the camera lens becomes dirty, it
cannot transmit a clear image. If
water droplets, snow, or mud adhere
to the lens, rinse with water and wipe
with a soft cloth. If the lens is
extremely dirty, wash it with a mild
cleanser and rinse.
Do not allow organic solvent, car
wax, window cleaner or glass coat to
adhere to the camera. If this happens,
wipe it off as soon as possible.
Use your own eyes to confirm the
vehicle’s surroundings, as the
displayed image may become faint or
dark, and moving images will be
distorted, or not entirely visible when
the outside temperature is low. When
backing up, be sure to check behind
and all around the vehicle visually
and with mirror before proceeding.
When replacing the tires, please consult
your Toyota dealer. If you replace the tires,
the area displayed on the screen may
change.

211 (a) Accurate current vehicle position
may not be shown in the following cases:
When driving on a small angled Y−shaped
road.
When driving on a winding road.
When driving on a slippery road such as
in sand, gravel, snow, etc.
When driving on a long straight road.
When freeway and surface streets run in
parallel.
After moving by ferry or vehicle carrier.
When a long route is searched during high
speed driving.
When driving without setting the current
position calibration correctly.
After repeating a change of direction by
going forward and backward, or turning on
a turntable in the parking lot.
When leaving a covered parking lot or
parking garage.
When a roof carrier is installed.
When driving with tire chains installed.
When the tires are worn.
After replacing a tire or tires.
When using tires that are smaller or larger
than the factory specifications.
When the tire pressure in any of the four
tires is not correct.
INFORMATION
If your vehicle cannot receive GPS
signals, you can correct the current
position manually. For information on
setting the current position calibration,
see “
 Current position/tire change
calibration” on page 87.
(b) Inappropriate route guidance may oc-
cur in the following cases:
When turning at an intersection off the
designated route guidance.
If you set more than one destination but
skip any of them, auto reroute will display
a route returning to the destination on the
previous route.
When turning at an intersection for which
there is no route guidance.
When passing through an intersection,
there is no route guidance.
During auto reroute, the route guidance
may not be available for the next turn to
the right or left.
It may take a long time to operate auto re-
route during high speed driving. In auto
reroute, a detour route may be shown.
After auto reroute, the route may not be
changed.
An unnecessary U−turn may be shown or
announced.
A location may have multiple names and
the system will announce one or more.
Some routes may not be searched.
If the route to your destination includes
gravel, unpaved roads or alleys, the route
guidance may not be shown.

212
Your destination point might be shown on
the opposite side of the street.
When a portion of the route has regula-
tions prohibiting the entry of the vehicle
that vary by time or season or other rea-
sons.
The road and map data stored in your nav-
igation system may not be complete or
may not be the latest version.
After replacing the tire, implement the
operation described in the “ Current
position/tire change calibration”. (See
page 87.)
This navigation system uses tire turning data
and is designed to work with factory−speci-
fied tires for your vehicle. Installing tires that
are larger or smaller than the originally
equipped diameter may cause inaccurate
display of the vehicle’s position. The tire pres-
sure also affects the diameter of the tires so
please make sure the tire pressure of all four
tires is correct.
Map database information and
updates
This system uses the maps of DENSO.
© 2006 DENSO CORPORATION
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