2020 TOYOTA TACOMA 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
WARNING
■Sensor detection information
Pay particular attention to the following instances in where th is may occur.
Failing to do so way result in the vehicle being unable to be d riven or parked
safety and possibly cause an accident.
● The sensor’s detection areas are limited to the areas around the vehicle’s
rear bumper.
● Certain vehicle conditions and the surrounding environment may affect the
ability of the sensor to correctly detect obstacles. Particular instances
where this may occur are listed below.
• There is dirt, snow or ice on the sensor. (Wiping the sensors will resolve this problem.)
• The sensor is frozen. (Thawing the area will resolve this prob lem.)
• The sensor is covered in any way.
• The vehicle is leaning considerably to one side.
• On an extremely bumpy road, on an incline, on gravel, or on gr ass.
• The vicinity of the vehicle is noisy due to vehicle horns, motorcycle engines, air brakes of large vehicles, or other loud noises producing
ultrasonic waves.
• There is another vehicle equipped with parking assist sensors in the vicinity.
• The sensor is coated with a sheet of spray or heavy rain.
• The vehicle is equipped with a fender pole or radio antenna.
• The bumper or sensor receives a strong impact.
• The vehicle is approaching a tall or curved curb.
• In harsh sunlight or intense cold weather.
• The area directly under the bumpers is not detected.
• If obstacles draw too close to the sensor.
• A non-genuine Toyota suspension (lowered suspension, etc.) is installed.
• A backlit license plate, license plate holder, etc., are installed.
• People may not be detected if they are wearing certain types a nd color-
ing of clothing.
• People, animals, and moving objects may not be able to be detected.
In addition to the examples above, there are instances in which , because of
their shape, signs and other objects may be judged by the senso r to be
closer than they are.

519
7
When trouble arises
7-2. 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. 523)
● 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. 520)
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)

5207-2. Steps to take in an emergency
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. 523)
● 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

591What 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. 475, 482.
●Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( P. 504)
●Try the procedure for when the vehicle becomes stuck in mud, di rt, or
snow. ( P. 529)
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

598Alphabetical index
Hands-free system (for cellular phone)
*
Head restraints ........................ 145
Headlights ................................ 219 Automatic High Beam ........... 223
Light switch ........................... 219
Replacing light bulbs..... 451, 452
Wattage ................................ 545
Heaters Automatic air conditioning
system ......... ....................... 338
Manual air conditioning system ......... ....................... 332
Seat heaters ......................... 345
Outside rear view mirrors ........................ 334, 341
High mounted stoplight Replacing .............................. 459
Wattage ................................ 545
Hill-start assist control............ 318
Hood ......................................... 411
Hooks Deck hooks ........................... 361
Grocery bag hooks ............... 366
Retaining hooks (floor mat)..... 26
Horn .......................................... 149 I/M test ...................................... 408
Identification
Engine .................................. 535
Tire ....................................... 550
Vehicle .................................. 535
Ignition switch (engine switch) .............. 201, 204
Ignition switch light (engine switch light) ............. 347
Illuminated entry system ........ 349
Immobilizer system ................... 78
Indicators ................................... 95
Initialization
Maintenance ......................... 404
Moon roof ............................. 165
Tire pressure warning system .... .............. 427
Inside rear view mirror ............ 151
Instrument panel light control ...................................... 99
Interior lights ........................... 347 Personal lights ...................... 348
Switches ............................... 348
Wattage ................................ 545
Intuitive parking assist ........... 283
Function ................................ 283
Warning message......... 488, 488
HI