Toyota Highlander (2018 year). Manual - part 156

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8-2. Steps to take in an emergency

Ensure that the shift lever is in P and depress the brake pedal.

Touch the Toyota emblem side
of the electronic key to the
engine switch.

When the electronic key is
detected, a buzzer sounds and the
engine switch will turn to IGNITION
ON mode.

When the smart key system is
deactivated in customization set-
ting, the engine switch will turn to
ACCESSORY mode.

Firmly depress the brake pedal.

Check that 

 and a message are shown on the multi-information dis-

play.

Press the engine switch.

In the event that the engine still cannot be started, contact your Toyota
dealer.

■

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 recommended that the
electronic key battery be replaced immediately when the battery is depleted.
(

→P. 549)

■

Changing engine switch modes
Release the brake pedal and press the engine switch in step 

 above.

The engine does not start and modes will be changed each time the switch is
pressed. (

→P. 222)

■

When the electronic key does not work properly

●

Make sure that the smart key system has not been deactivated in the cus-
tomization setting. If it is off, turn the function on. 
(Customizable features 

→P. 680)

●

Check if battery-saving mode is set. If it is set, cancel the function. 
(

→P. 143)

Starting the engine

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8-2. Steps to take in an emergency

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WARNING

■

When using the mechanical key and operating the power windows or
moon roof
Operate the power window or moon roof after checking to make sure that
there is no possibility of any passenger having any of their body parts
caught in the window or moon roof. 
Also, do not allow children to operate the mechanical key. It is possible for
children and other passengers to get caught in the power window or moon
roof.

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8-2. Steps to take in an emergency

If you have a set of jumper (or booster) cables and a second vehicle
with a 12-volt battery, you can jump start your vehicle by following the
steps below.

Vehicles with an alarm, confirm
that the master key (vehicles
without a smart key system) or
electronic key (vehicles with a
smart key system) is being car-
ried.

When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and doors locked.

 

(

→

P. 84)

Open the hood. (

→P. 516)

Vehicles with 3.5 L V6 (2GR-
FKS) engine: Remove the
engine cover.

If the vehicle battery is discharged

The following procedures may be used to start the engine if the
vehicle’s battery is discharged.
You can also call your Toyota dealer or a qualified repair shop.

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8-2. Steps to take in an emergency

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Connect the jumper cables according to the following procedure:



2.7 L 4-cylinder (1AR-FE) engine

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