key TOYOTA SEQUOIA 2021 (in English) Workshop Manual

5087-2. Steps to take in an emergency
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■Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when
stopping the engine.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommende d that the
electronic key battery be replaced immediately when the battery is depleted.
( P. 446)
■ Changing engine switch modes
Within 10 seconds of the buzzer sounding, release the brake ped al and press
the engine switch.
The engine does not start and modes will be changed each time t he switch is
pressed. ( P. 215)

5097-2. Steps to take in an emergency
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7
When trouble arises
If the vehicle batter y is discharged
If you have a set of jumper (or booster) cables and a second ve hicle
with a 12-volt battery, you can jump start your vehicle by foll owing the
steps below.
Confirm that the key is being
carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and doors locked. ( P. 86)
Open the hood ( P. 414)
The following procedures may be used to start the engine if the
vehicle’s battery is discharged.
You can also call your Toyota de aler or a qualified repair shop.
1
2

5117-2. Steps to take in an emergency
7
When trouble arises
SEQUOIA_OM_USA_OM0C035U
■Starting the engine when t he battery is discharged
The engine cannot be started by push-starting.
■ To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
● Turn off any unnecessary electrical components when the vehicle is running
at a low speed for an extended period, such as in heavy traffic .
■ Charging the battery
The electricity stored in the battery will discharge gradually even when the
vehicle is not in use, due to natural discharge and the draining effects of cer-
tain electrical appliances. If the vehicle is left for a long t ime, the battery may
discharge, and the engine may be unable to start. (The battery recharges
automatically during driving.)
■ When recharging or replacing the battery
●In some cases, it may not be possible to unlock the doors using the smart
key system when the battery is discharged. Use the wireless rem ote control
or the mechanical key to lock or unlock the doors.
● The engine may not start on the first attempt after the battery has recharged
but will start normally after the second attempt. This is not a malfunction.
● The engine switch mode is memorized by the vehicle. When the ba ttery is
reconnected, the system will return to the mode it was in befor e the battery
was discharged. Before disconnecting the battery, turn the engine switch off.
If you are unsure what mode the engine switch was in before the battery dis-
charged, be especially careful when reconnecting the battery.

5508-2. Customization
SEQUOIA_OM_USA_OM0C035U■
BSM (Blind Spot Monitor) (
P. 2 9 6 )
■Door lock ( P. 113)
FunctionDefault settingCustomized
setting
BSM OnOffO—O
BSM brightness Standard DimO—O
RCTA
(Rear Cross Traffic Alert) On OffO—O
RCTA volume
21O—O3
FunctionDefault settingCustomized
setting
Unlocking using a key Driver’s door
unlocked in one step, all doors
unlocked in two
steps All doors
unlocked in one step—— O
Speed-detecting auto-
matic door lock function On Off—O O
Automatic door lockShifting the shift
lever to position other than P Off—O OVehicle speed
reaches a cer- tain level
Automatic door unlock Shifting the shift
lever to P Off
—O ODriver’s door
is opened
Opening the driver’s door
unlocks all doors Off On
—O O

5518-2. Customization
8
Vehicle specifications
SEQUOIA_OM_USA_OM0C035U■
Smart key system and wireless remote control (
P. 113)
■Smart key system ( P. 113, 128)
FunctionDefault settingCustomized
setting
Operation signal
(Emergency flashers) On Off — O O
Operation signal
(Buzzer) On Off — — O
Operation buzzer volume Level 5 Off to level 7 O O O
Time elapsed before auto-
matic door lock function is
activated if door is not
opened after being
unlocked 60 seconds
Off
—O O
30 seconds
120 seconds
Open door warning
buzzerOnOff — —O
FunctionDefault settingCustomized setting
Smart key systemOnOff——O
Number of permissible
times of continuous smart
lock Twice Unlimited — — O

5538-2. Customization
8
Vehicle specifications
SEQUOIA_OM_USA_OM0C035U■
Power back door (
P. 118)
■Power windows ( P. 165)
■Power back window ( P. 1 6 8 )
■Rear window wiper and washer ( P. 241)
FunctionDefault settingCustomized
setting
Switch operation Push and holdOne short
push—— O
Wireless remote control
linked operation On Off—— O
Operation signal volume Off
On—— O
Operation when door
locksPossible Impossible—— O
Time elapsed before back
door closing function is
activated when pushing
switch in the luggage
compartment1.5 seconds
0 seconds
—— O1 seconds
2 seconds
FunctionDefault settingCustomized
setting
Door key linked operation Open and close Open only—— OClose only
Off
FunctionDefault settingCustomizedsetting
Linked back door key
operation Open and closeOpen only—— OClose only
Sensitivity of jam protec-
tion function Level 1 Level 2 to 4
—— O
FunctionDefault settingCustomized
setting
Washer linkage wiper con-
trol On Off—— O
Drip prevention function On
Off—— O

5548-2. Customization
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Moon roof (
P. 1 7 1 )
■Automatic light off system ( P. 227)
■Daytime running lights* ( P. 229)
*: Except for Canada
■
Driving position memory* (  P. 149)
*: If equipped
FunctionDefault settingCustomized
setting
Door key linked operation Open and close Open only—— OClose only
Off
Linked operation of com-
ponents when door key is
used Slide only Tilt only
—— O
FunctionDefault settingCustomized
setting
Light sensor sensitivity Level 3 Level 1 to 5—O O
Time elapsed before
headlights automatically
turn off after doors are
closed 30 secondsOff
—O O60 seconds
90 seconds
FunctionDefault settingCustomized
setting
Daytime running light sys-
temOnOff—O O
FunctionDefault settingCustomized
setting
Selection the door linking
driving position memory
with door unlock operation
Driver’s doorAll doors—— O

572What to do if... (Troubleshooting)
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What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be
made by your Toyota dealer. ( P. 109)
●If you lose your keys or electronic keys, the risk of vehicle t heft increases
significantly. Contact your Toyota dealer immediately. ( P. 112)
●Is the electronic key battery weak or depleted? (P. 446)
●Is the engine switch in ON?
When locking the doors, turn the engine switch off. ( P. 215)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of t he radio
wave. ( P. 110)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is
set. Open the rear door from outside and then unlock the child-protector
lock. ( P. 115)
If you have a problem, check the following before contacting
your Toyota dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

573What to do if... (Troubleshooting)
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●Did you press the engine switch while firmly depressing the brake pedal?
( P. 214)
●Is the shift lever in P? ( P. 216)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 129)
●Is the steering wheel unlocked? (P. 217)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( P. 507)
●Is the battery discharged? (P. 509)
●Is the engine switch in ON?
If you cannot release the shift lever by depressing the brake p edal with the
engine switch in ON. ( P. 223)
●It is locked automatically to prevent theft of the vehicle. ( P. 2 1 7 )
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. ( P. 165)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress
the brake pedal
The steering wheel cannot be turned after the engine is
stopped
The windows do not open or close by operating the power
window switches

574What to do if... (Troubleshooting)
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●The auto power off function will be operated if the vehicle is left in ACC or
ON (the engine is not running) for a period of time. ( P. 216)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
(P. 472)
Depending on the situation, other types of warning buzzer may a lso sound.
( P. 470, 479)
●Did anyone inside the vehicle open a door during setting the al arm?
The sensor detects it and the alarm sounds. ( P. 84)
To stop the alarm, start the engine.
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. ( P. 479)
●When a warning light turns on, refer to P. 470.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 470, 479.
The engine switch is tur ned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds w hen leaving the vehicle
A warning light turns on or a warning message is displayed