2003 TOYOTA TUNDRA Owners Manual

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The A.D.D. can be engaged or disen-
gaged by the shifting operations de-
scribed in “(c) Shifting procedure”.
You should drive in four−wheel drive for
at least 16 km (10 miles) each month.
This will assure that the front drive com-
ponents are lubricated. SHIFTING BETWEEN “H2” AND “H4”
To shift from “H2” to “H4”,
reduce the
vehicle speed to less than 80 km/h (50
mph) and move the front drive control
lever. If the indicator light does not come
on when you shift the transfer into “H4”,
drive straight ahead while accelerating or
decelerating, or drive forward or backward
in a short distance. You need not depress
the clutch pedal.
If you have trouble shifting in cold weath-
er, reduce the vehicle speed or stop the
vehicle and reshift.
CAUTION
Never move the front drive control
lever if wheels are slipping. Stop the
slipping or spinning before shifting.
To shift from “H4” to “H2”, simply move
the front drive control lever.
This can be done at any speed. You need
not depress the clutch pedal.
If the indicator light does not go off when
you shift the transfer into “H2”, drive
straight ahead while accelerating or decel-
erating, or drive forward or backward in a
short distance. SHIFTING BETWEEN “H4” AND “L4”
To shift from “H4” to “L4”,
stop the
vehicle or reduce the vehicle speed to
less than 8 km/h (5 mph). With your foot
off the accelerator pedal, depress the
clutch pedal and move the front drive con-
trol lever.
To shift from “L4” to “H4”, depress the
clutch pedal and move the front drive con-
trol lever.
This can be done at any speed.
(b) A.D.D.
(automatic disconnecting
differential) (c) Shifting procedure
(lever type with manual
transmission)

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SHIFTING BETWEEN “H2” AND “H4”
To shift from “H2” to “H4”, reduce the
vehicle speed to less than 80 km/h (50
mph) and move the front drive control
lever.
If you have trouble shifting in cold weath-
er, reduce the vehicle speed or stop the
vehicle and reshift.
CAUTION
Never move the front drive control
lever if wheels are slipping. Stop the
slipping or spinning before shifting.
To shift from “H4” to “H2”, simply move
the front drive control lever.
This can be done at any speed.
If the indicator light does not go off when
you shift the transfer into “H2”, drive
straight ahead while accelerating or decel-
erating, or drive forward or backward in a
short distance.
SHIFTING BETWEEN “H4” AND “L4”
To shift between “H4” and “L4”, stop
the vehicle and put the transmission in
“N”. With the brake pedal depressed,
move the front drive control lever. SHIFTING BETWEEN “2WD” AND “4HI”
To shift from “2WD” to “4HI”,
reduce
the vehicle speed to less than 100 km/h
(62 mph) and push in the “2WD/4HI” but-
ton.
If the “4HI” (high speed four −wheel drive)
indicator light flashes when you push in
the “2WD/4HI” button, this reminds you
that the transfer mode is not securely in
“4HI” mode. Drive straight ahead while
accelerating or decelerating.
If the “4HI” (high speed four −wheel drive)
indicator light flashes and the buzzer
sounds when you push in the “2WD/4HI”
button, this reminds you that the transfer
mode is not in “4HI” mode. Stop the ve-
hicle or reduce the vehicle speed to less
than 100 km/h (62 mph). Push the button
to turn it off, then once again to turn it
back on.
CAUTION
Never push the “2WD/4HI” button if
the wheels are slipping. Stop the slip-
ping or spinning before shifting.
To shift from “4HI” to “2WD”, push the
“2WD/4HI” button again to turn it off.
This can be done at any speed.
If the “4HI” (high speed four −wheel drive)
indicator light flashes when you push the
“2WD/4HI” button again to return to “2WD”
mode, this reminds you that the transfer
mode is not securely in “2WD” mode.
Drive straight ahead while accelerating or
decelerating, or drive forward or backward
in a short distance.
(c) Shifting procedure
(lever type with automatic
transmission) (c) Shifting procedure
(button type)

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SHIFTING BETWEEN “4HI” AND “4LO”
To shift from “4HI” to “4LO”, stop the
vehicle and put the transmission into “N”.
With the brake pedal depressed, push the
“4LO” button. If the “2WD/4HI” button left
out, push in the “2WD/4HI” button to se-
lect the “4HI” mode.
If the “4LO” (low speed four −wheel drive)
indicator light flashes and the buzzer
sounds for 3 seconds when you push the
“4LO” button, this reminds you that the
transfer mode is not in “4LO” mode. Drive
forward or backward in a short distance,
then stop the vehicle completely, put the
transmission securely into “N” and push
the button again.
To shift from “4LO” to “4HI”, stop the
vehicle and put the transmission into “N”.
With the brake pedal depressed, push the
“4LO” button.
If the “4LO” (low speed four −wheel drive)
indicator light flashes and the buzzer
sounds for 3 seconds when you push the
“4LO” button, this reminds you that the
transfer mode is not in “4HI” mode. Drive
forward or backward in a short distance,
then stop the vehicle completely, put the
transmission securely into “N” and push
the button again. SHIFTING BETWEEN “2WD” AND “4LO”
To shift from “2WD” to “4LO”,
stop the
vehicle and put the transmission into “N”.
With the brake pedal depressed, push the
“2WD/4HI” button in to select the “4HI”
mode, then push the “4LO” button.
If the “4LO” (low speed four −wheel drive)
indicator light flashes and the buzzer
sounds for 3 seconds when you push the
“4LO” button, this reminds you that the
transfer mode is not in “4LO” mode. Drive
forward or backward in a short distance,
then stop the vehicle completely, put the
transmission securely into “N” and push
the button again.
To shift from “4LO” to “2WD”, stop the
vehicle and put the transmission into “N”.
With the brake pedal depressed, push the
“2WD/4HI” switch again to turn it off. If the “4LO” (low speed four
−wheel drive)
indicator light flashes and the buzzer
sounds when you push the “2WD/4HI” but-
ton, this reminds you that the transfer
mode is not in “2WD” mode. Push the
“2WD/4HI” button in to return to “4LO”
mode, drive forward or backward in a
short distance, then stop the vehicle com-
pletely, put the transmission securely into
“N” and push the “2WD/4HI” button once
again.
If the “4LO” (low speed four −wheel drive)
indicator light flashes when you push the
“2WD/4HI” button, this reminds you that
the transfer mode is not in “2WD” mode.
Drive straight ahead while accelerating or
decelerating, or drive forward or backward
in a short distance.

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Pedal type
Lever type
When parking, firmly apply the parking
brake to avoid inadvertent creeping.
Pedal type—
To set: Fully depress the parking brake
pedal. For better holding power, first de-
press the brake pedal and hold it while
setting the parking brake.
To release: Depress the parking brake
pedal once again.
Lever type—
To set: Pull out on the lever. For better
holding power, first depress the brake
pedal and hold it while setting the parking
brake.
To release: Press the lock release button
(1), turn the lever (2), then push it in (3).
To remind you that the parking brake is
set, the parking brake reminder light in
the instrument panel remains on until you
release the parking brake.
CAUTION
Before driving, be sure the parking
brake is fully released and the park-
ing brake reminder light is off.
The cruise control allows you to cruise
the vehicle at a desired speed over 40
km/h (25 mph) even with your foot off
the accelerator pedal.
Your cruising speed can be maintained up
or down grades within the limits of engine
performance, although a slight speed
change may occur when driving up or
down the grades. On steeper hills, a
greater speed change will occur so it is
better to drive without the cruise control.
CAUTION
To help maintain maximum control
of your vehicle, do not use the
cruise control when driving in
heavy or varying traffic, or on slip-
pery (rainy, icy or snowcovered) or
winding roads.
Avoid vehicle speed increases when
driving downhill. If the vehicle
speed is too fast in relation to the
cruise control set speed, cancel the
cruise control then downshift the
transmission to use engine braking
to slow down.
Parking brake Cruise control

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TURNING THE SYSTEM ON
To operate the cruise control, press the
“ON−OFF” button. This turns the system
on. The indicator light in the instrument
panel shows that you can now set the
vehicle at a desired cruising speed. Anoth-
er press will turn the system completely
off.
CAUTION
To avoid accidental cruise control en-
gagement, keep the “ONOFF” button
off when not using the cruise control.
SETTING AT A DESIRED SPEED
On vehicles with automatic transmission,
the transmission must be in “D” before
you set the cruise control speed.
Bring your vehicle to the desired speed,
push the lever down in the “ − SET” direc-
tion and release it. This sets the vehicle
at that speed. If the speed is not satisfac-
tory, tap the lever up for a faster speed,
or tap it down for a slower speed. Each
tap changes the set speed by 1.6 km/h
(1.0 mph). You can now take your foot off
the accelerator pedal. If you need acceleration—for example,
when passing—depress the accelerator
pedal enough for the vehicle to exceed
the set speed. When you release it, the
vehicle will return to the speed set prior
to the acceleration.
CAUTION
For manual transmission:
While driving with the cruise control
on, do not shift to neutral without
depressing the clutch pedal, as this
may cause engine racing or overrev-
ving.
CANCELLING THE PRESET SPEED
You can cancel the preset speed by:
a. Pulling the lever in the “CANCEL”
direction and releasing it
b. Depressing the brake pedal
c. Depressing the clutch pedal (manual
transmission)
If the vehicle speed falls below about 40
km/h (25 mph), the preset speed will auto-
matically cancel out.
If the vehicle speed drops 16 km/h (10
mph) below the preset speed, the preset
speed will also automatically cancel out.

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If the preset speed automatically cancels
out other than for the above cases, have
your vehicle checked by your Toyota deal-
er at the earliest opportunity.
RESETTING TO A FASTER SPEED
Push the lever up in the “+ RES” direction
and hold it. Release the lever when the
desired speed is attained. While the lever
is held up, the vehicle will gradually gain
speed.
However, a faster way to reset is to ac-
celerate the vehicle and then push the
lever down in the “− SET” direction.
RESETTING TO A SLOWER SPEED
Push the lever down in the “− SET” direc-
tion and hold it. Release the lever when
the desired speed is attained. While the
lever is held down, the vehicle speed will
gradually decrease.
However, a faster way to reset is to de-
press the brake pedal and then push the
lever down in the “− SET” direction. On vehicles with automatic transmission,
even if you turn off the overdrive switch
with the cruise control on, engine braking
will not be applied because the cruise
control is not cancelled. To decrease the
vehicle speed, reset to a slower speed
with the cruise control lever or depress
the brake pedal. If you use the brake
pedal, cruise control is cancelled.
RESUMING THE PRESET SPEED
If the preset speed is cancelled by pulling
the control lever or by depressing the
brake pedal or clutch pedal, pushing the
lever up in the “+ RES” direction will re-
store the speed set prior to cancellation.
However, once the vehicle speed falls be-
low about 40 km/h (25 mph), the preset
speed will not be resumed.
CRUISE CONTROL FAILURE WARNING
If the “CRUISE” indicator light in the
instrument cluster flashes when using the
cruise control, press the “ON
−OFF” button
to turn the system off and then press it
again to turn it on.
If any of the following conditions then oc-
curs, there is some trouble in the cruise
control system.
The indicator light does not come on.
The indicator light flashes again.
The indicator light goes out after it
comes on.
If this is the case, contact your Toyota
dealer and have your vehicle inspected.

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To crank the engine without depressing
the clutch pedal, push the switch with
the ignition on.
The switch stays on as long as the igni-
tion is on. And it will automatically turn off
when the ignition is off. An indicator light
will illuminate to indicate the system is
operating.
This switch cancels the clutch start sys-
tem, which is designed to keep the starter
motor from operating if the clutch pedal is
not depressed all the way down.
The switch allows the vehicle to be driven
out of difficult situations by cranking the
engine with the clutch engaged. Never use the switch for normal engine
starting. Be sure to follow the starting
procedure instructed in “How to start the
engine” in Section 3.
Clutch start cancel switch

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OPERATION OF INSTRUMENTS AND
CONTROLS
Car audio system
Reference 128
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Using your audio system 129
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Audio remote controls 150
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Car audio system operating hints 152
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SECTION 1 7