2023 TOYOTA TUNDRA warning

5027-2. Steps to take in an emergency
(If equipped)
Indicates that the pre-collision system sensor is
dirty, covered with ice, etc.
Remove any dirt, ice, etc.
(If equipped)
Indicates a malfunction in:
• The automatic headlight leveling system; or
• The Automatic High Beam system.
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
(If equipped)
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
Turn the high beam on and press the Auto-
matic High Beam switch again.
(If equipped)
Indicates that rader cruise control sensor is dirty
or covered with ice.
A buzzer also sounds.
 Clean the sensor.
Warning messageDetails/Actions

5037-2. Steps to take in an emergency
7
When trouble arises
*1: The buzzer sounds when Multi-terrain Select or active traction control is
equipped.
*2: Refer to the separate “Scheduled Maintenance Guide” or “Owner’ s Manual
Supplement” for the maintenance interval applicable to your veh icle.
(If equipped)
Indicates that the dynamic radar cruise control
system cannot be used temporarily due to bad
weather.
A buzzer also sounds.
 Use the dynamic radar cruise control sys-
tem when it becomes available again.
Indicates a malfunction in the Drive-Start Control. A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer immediately.
Indicates that the shift position was changed and
Drive-Start Control was operated while depress-
ing the accelerator pedal. A buzzer also sounds.
 Momentarily release the accelerator pedal.
Warning messageDetails/Actions
(Flashes)

5047-2. Steps to take in an emergency
■Warning message in radar cruise mode (if equipped)
In the following cases, the warning message may not be displayed even if
vehicle-to-vehicle distance decreases:
● When your vehicle and the vehicle ahead are traveling at the sa me speed or
the vehicle ahead is traveling more quickly than your vehicle
● When the vehicle ahead is traveling at a very low speed
● Immediately after cruise control speed is set
● At the instant the accelerator pedal is depressed
■
Conditions that the tire pressure warning system may not functi on
properly (vehicles with the tire pressure warning system)
P. 436
■ Warning buzzer
P. 486

5057-2. Steps to take in an emergency
7
When trouble arises
After taking the specified steps to correct the suspected problem,
check that the warning m essage and light go off.
Have the malfunction repaired immediately. (vehicles with a
smart key system)
Interior
buzzerExterior buzzerWarning messageDetails/Actions
Contin-
uous  The driver’s door was opened
when the shift lever was not in
P and the engine switch was
not turned off.

Shift the shift lever to P.
Contin-
uousContin-
uous
The driver’s door was opened
and closed while the elec-
tronic key was not in the vehi-
cle, the shift lever was not in P
and the engine switch was not
turned off.
Shift the shift lever to P.
 Bring the electronic key
back into the vehicle.
(Flashes)
(Displayed alternately)
(Flashes)

5067-2. Steps to take in an emergency
Once3 times
The driver’s door was opened
and closed while the elec-
tronic key was not in the vehi-
cle, the shift lever was in P
and the engine switch was not
turned off.
Turn the engine switch
off.
 Bring the electronic key
back into the vehicle.
The electronic key was carried
outside the vehicle and a door
other than the driver’s door
was opened and closed while
the engine switch was in a
mode other than off.
Bring the electronic key
back into the vehicle.
OnceContin-
uous
An attempt was made to exit
the vehicle with the electronic
key and lock the doors without
first turning the engine switch
off when the shift lever was in
P.
Turn the engine switch
off and lock the doors
again.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Displayed alternately)
(Flashes)

5077-2. Steps to take in an emergency
7
When trouble arises
Once
The electronic key is not
detected when an attempt is
made to start the engine.
Start the engine with the
electronic key present.
9 times
An attempt was made to drive
when the electronic key was
not inside the vehicle.
Confirm that the elec-
tronic key is inside the
vehicle.
Contin-
uous
An attempt was made to lock
the doors using the smart key
system while the electronic
key was still inside the vehicle.
Retrieve the electronic
key from the vehicle and
lock the doors again.
OnceContin-
uous
An attempt was made to lock
either front door by opening a
door and putting the inside
lock button into the lock posi-
tion, then closing the door with
the electronic key still inside
the vehicle.
Retrieve the electronic
key from the vehicle and
lock the doors again.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)

5087-2. Steps to take in an emergency
Once
The electronic key has a low
battery.
Replace the electronic
key battery. ( P. 451)
Once
The steering lock could not be
released within 3 seconds of
the engine switch being
pressed.
Press the engine switch
while depressing the
brake pedal and moving
the steering wheel left
and right.
Once
• When the doors were
unlocked with the mechani-
cal key and then the engine
switch was pressed, the
electronic key could not be
detected in the vehicle.
• The electronic key could not be detected in the vehicle
even after the engine switch
was pressed two consecu-
tive times.
 Touch the electronic key
to the engine switch
while depressing the
brake pedal.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)

5097-2. Steps to take in an emergency
7
When trouble arises
Once
Indicates that:
• With the engine switch off,the doors were unlocked
and then the driver’s door
was opened and closed
• The engine switch was
turned to ACCESSORY
mode without starting the
engine
 Press the engine switch
while depressing the
brake pedal.
Once
The engine switch has been
turned off with the shift lever in
a position other than P.
Shift the shift lever to P.
Once
After the engine switch has
been turned off with the shift
lever in a position other than
P, the shift lever has been
shifted to P.
Turn the engine switch
off.

Power was turned off due to
the automatic power off func-
tion.
Next time when starting
the engine, increase the
engine speed slightly and
maintain that level for
approximately 5 minutes
to recharge the battery.
Interior
buzzerExterior buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)