2022 TOYOTA TUNDRA horn

1493-4. Adjusting the steering wheel and mirrors
3
Operation of each component
Steering wheel
Hold the steering wheel and
push the lever down.
Adjust to the ideal position by
moving the steering wheel hori-
zontally and vertically.
After adjustment, pull the lever up
to secure the steering wheel.
To sound the horn, press on or
close to the mark.
■After adjusting the steering wheel
Make sure that the steering wheel is securely locked.
The horn may not sound if the steer ing wheel is not securely locked.
Adjustment procedure
1
2
Horn

2874-5. Using the driving support systems
4
Driving
●On an extremely bumpy road, on an incline, on gravel, or on gra ss.
● When vehicle horns, vehicle detectors, motorcycle engines, air brakes of
large vehicles, the clearance sonar of other vehicles or other devices which
produce ultrasonic waves are near the vehicle
● A sensor is coated with a sheet of spray or heavy rain.
● If objects draw too close to the sensor.
● When a pedestrian is wearing clothing that does not reflect ult rasonic waves
(ex. skirts with gathers or frills).
● When objects that are not perpendicular to the ground, not perpendicular to
the vehicle traveling direction, uneven, or waving are in the d etection range.
● Strong wind is blowing
● When driving in inclement weather such as fog, snow or a sandst orm
● When an object that cannot be detected is between the vehicle a nd a
detected object
● If an object such as a vehicle, motorcycle, bicycle or pedestrian cuts in front
of the vehicle or runs out from the side of the vehicle
● If the orientation of a sensor has been changed due to a collis ion or other
impact
● When equipment that may obstruct a sensor is installed, such as a towing
eyelet, bumper protector (an additional trim strip, etc.), bicy cle carrier, or
snow plow
● If the front of the vehicle is raised or lowered due to the car ried load
● If the vehicle cannot be driven in a stable manner, such as whe n the vehicle
has been in an accident or is malfunctioning
● When a tire chains, compact spare tire or an emergency tire pun cture repair
kit is used
●
When a sensor or the area around a
sensor is extremely hot or cold.

2894-5. Using the driving support systems
4
Driving
●When vehicle horns, vehicle detectors, motorcycle engines, air brakes of
large vehicles, the clearance sonar of other vehicles or other devices which
produce ultrasonic waves are near the vehicle
● If the front of the vehicle is raised or lowered due to the car ried load
● If the orientation of a sensor has been changed due to a collis ion or other
impact
● The vehicle is approaching a tall or curved curb
● Driving close to columns (H-shaped steel beams, etc.) in multi- story parking
garages, construction sites, etc.
● If the vehicle cannot be driven in a stable manner, such as whe n the vehicle
has been in an accident or is malfunctioning
● When a tire chains, compact spare tire or an emergency tire pun cture repair
kit is used
■ If a message is displayed on th e multi-information display
P. 495
■ Customization
Settings (e.g. buzzer volume) can be changed.
(Customizable features P. 568)
■ Certification (Canada only)
This ISM device complies with Canadian ICES-001. ●On an extremely bumpy road, on an
incline, on gravel, or on grass

5267-2. Steps to take in an emergency
If the engine will not star t
One of the following may be the cause of the problem:
● There may not be sufficient f uel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting proc edures.
(  P. 201, 204)
● There may be a malf unction in the engine immobilizer system.
(if equipped) ( P. 78)
One of the following may be the cause of the problem:
● The battery may be discharged. ( P. 530)
● The battery terminal connecti ons may be loose or corroded.
The engine starting system may be malfunctioning due to an elec trical
problem such as an open circuit or a blown fuse. However, an in terim
measure is available to start the engine. ( P. 527)
If the engine will not start eve n though correct starting proce -
dures are being followed ( P. 201, 204), consider each of the fol-
lowing points.
The engine will not start even t hough the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and he ad-
lights are dim, or the horn does not sound or sounds at a low
volume.
The starter motor does not turn over (vehicles with a smart key
system)

5277-2. Steps to take in an emergency
7
When trouble arises
One of the following may be the cause of the problem:
● One or both of the battery t erminals may be disconnected.
● The battery may be discharged. ( P. 530)
● There may be a malfunction in the steering lock system (vehicles
with a smart key system).
Contact your Toyota dealer if the problem cannot be repaired, o r if repair
procedures are unknown.
When the engine does not start, the following steps can be used as an
interim measure to start the engine if the engine switch is fun ctioning
normally:
Set the parking brake.
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
Press and hold the engine switch for about 15 seconds while
depressing the brake pedal firmly.
Even if the engine can be start ed using the above steps, the sy stem
may be malfunctioning. Have the vehicle inspected by your Toyot a
dealer.
The starter motor does not turn over, the interior lights and h ead-
lights do not turn on, o r the horn does not sound.
Emergency start function (vehicles with a smart key system)
1
2
3
4

599What to do if... (Troubleshooting)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 88)
●Vehicles without a smart key system:
To stop the alarm, turn the engine switch to the “ON” position or start the
engine.
●Vehicles with a smart key system:
To stop the alarm, turn the engine switch to IGNITION ON mode o r start
the engine.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 482, 489.
●Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( P. 511)
●Try the procedure for when the vehicle becomes stuck in mud, di rt, or
snow. ( P. 536)
An alarm is activated and the horn sounds
(vehicles with an alarm)
A warning light turns on or a warning message or indicator
is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

605Alphabetical index
Fuel ........................................... 544Capacity ................................ 544
Fuel gauge .............................. 98
Fuel pump shut off system.... 481
Information ............................ 554
Refueling............................... 232
Type ...................................... 544
Warning light ......................... 483
Warning message ................. 493
Fuel consumption
Average fuel consumption ............... 103, 109
Current fuel
consumption ............... 103, 109
Fuel filler door.......................... 234
Fuel pump shut off system ..... 481
Fuses ........................................ 454
Garage door opener ................ 389
Gas station information .......... 616
Gauges ....................................... 98
Glove box ................................. 357
Grocery bag hooks .................. 372
Hands-free system (for cellular phone)
*
Head restraints ........................ 145
Headlights ................................ 219 Automatic High Beam ........... 223
Light switch ........................... 219
Replacing light bulbs..... 459, 460
Wattage ................................ 553 Heaters
Automatic air conditioning system .......... ...................... 344
Manual air conditioning system .......... ...................... 338
Seat heaters ......................... 351
Outside rear view mirrors ........................ 340, 347
High mounted stoplight Replacing.............................. 467
Wattage ................................ 553
Hill-start assist control ........... 323
Hood ......................................... 417
Hooks Deck hooks ........................... 367
Grocery bag hooks ............... 372
Retaining hooks (floor mat) .... 26
Horn .......................................... 149
G
H
*: For vehicles with Audio Plus or Premium Audio, refer to the “ NAVIGA-
TION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”