Power (ignition) switch

Performing the following operations when carrying the electronic key on your person starts the hybrid system or changes POWER switch modes.

Starting the hybrid system

1. Check that the parking brake is set.

2. Check that the shift lever is set in P.

3. Firmly depress the brake pedal.

The POWER switch indicator will turn green. If the indicator does not turn green, the hybrid system cannot be started.

Press the POWER switch.


Press the POWER switch.

After a while, the READY indicator comes on with a beep
sound.

The vehicle can move when the READY indicator is on even if the engine is stopped.

Continue depressing the brake pedal until the hybrid system is completely started.

The hybrid system can be started from any mode.

Stopping the hybrid system

1. Stop the vehicle.

2. Shift the shift lever to P.

3. Set the parking brake.

4. Press the POWER switch.

5. Release the brake pedal and check that the indicator on the POWER switch is off.

Changing POWER switch modes

Modes can be changed by pressing the POWER switch with the brake pedal released. (The mode changes each time the switch is pressed.)

1. Off*.


1. Off*.

The emergency flashers can be used.

2. ACCESSORY mode.

Some electrical components such as the audio system can be used.

The POWER switch indicator turns amber.

3. ON mode.

All electrical components can be used.

The POWER switch indicator turns amber.

*: If the shift lever is in a position other than P when turning off the hybrid system, the
POWER switch will be turned to ACCESSORY mode, not to off.

When stopping the hybrid system with the shift lever in a position other than P

If the hybrid system is stopped with the shift lever in a position other than P, the POWER switch will not be turned off but instead be turned to ACCESSORY mode. Perform the following procedure to turn the switch off:
1. Check that the parking brake is set.

2. Shift the shift lever to P.

3. Check that the indicator on the POWER switch is illuminated in amber and then press the POWER switch once.

4. Check that the indicator on the POWER switch is off.

Auto power off function

If the vehicle is left in ACCESSORY or ON mode (the hybrid system is not operating)
for more than an hour with the shift lever in P, the POWER switch will automatically
turn off. However, this function cannot entirely prevent 12-volt battery discharge. Do not leave the vehicle with the POWER switch in ACCESSORY or ON mode for long periods of time when the hybrid system is not operating.

Operation of the POWER switch

When operating the POWER switch, one short, firm press is enough. If the switch
is pressed improperly, the hybrid system may not start or the POWER switch mode may not change. It is not necessary to press and hold the switch.

When the ambient temperature is low, such as during winter driving conditions

It may take time until the READY indicator comes on.

If the hybrid system does not start

The immobilizer system may not have been deactivated.

Steering lock

After turning the POWER switch off and opening and closing the doors, the steering wheel will be locked due to the steering lock function. Operating the POWER switch again automatically cancels the steering lock.

When the steering lock cannot be released

The green indicator light on the POWER


The green indicator light on the POWER switch will flash and a message will be shown on the multi-information display. Press the POWER switch again while turning the steering wheel left and right.

Steering lock motor overheating prevention

To prevent the steering lock motor from overheating, the motor may be suspended
if the hybrid system is turned on and off repeatedly in a short period of time. In this
case, refrain from operating the hybrid system. After about 2 seconds, the steering
lock motor will resume functioning.

When the POWER switch indicator flashes in amber

The system may be malfunctioning. Have the vehicle inspected by your Lexus dealer immediately.

If the READY indicator does not come on

If the READY indicator does not come on when you press the POWER switch with the shift lever in P and the brake pedal depressed, contact your Lexus dealer
immediately.

CAUTION:
When starting the hybrid system Always start the hybrid system while sitting in the drivers seat. Do not depress the
accelerator pedal while starting the hybrid system under any circumstances.

Doing so may cause an accident resulting in death or serious injury.

Caution while driving
If a hybrid system failure occurs while the vehicle is moving, do not lock or open the
doors until the vehicle reaches a safe and complete stop. Activation of the steering
lock in this circumstance may lead to an accident, resulting in death or serious injury.

Stopping the hybrid system in an emergency If you want to stop the hybrid system in an emergency while driving the vehicle, press and hold the POWER switch for more than 3 seconds.

However, do not touch the POWER switch while driving unless in an emergency.

If the hybrid system stops while driving, this could lead to an accident.

NOTICE:
To prevent 12-volt battery discharge Do not leave the POWER switch in ACCESSORY or ON mode for long periods of time without the hybrid system on.

If the indicator on the POWER switch is illuminated, the POWER switch is not
off. When exiting the vehicle, always check that the POWER switch is off.

Do not stop the hybrid system when the shift lever is in a position other than P. If
the hybrid system is stopped in another shift lever position, the POWER switch will not be turned off but instead be turned to ACCESSORY mode. If the vehicle is left in ACCESSORY mode, 12-volt battery discharge may occur.

When starting the hybrid system Do not depress the accelerator pedal unnecessarily.

Symptoms indicating a malfunction with the POWER switch If the POWER switch seems to be operating somewhat differently than usual, such as the switch sticking slightly, there may be a malfunction. Contact your Lexus
dealer immediately.

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