Toyota Prius Owners Manual

Push button start system
OPERATION OF INSTRUMENTS ANDCONTROLS / “POWER” switch, Transmission and Parking brake / Push button start system

Toyota Prius: Push button start system. The push button start system is used tostart or stop the hybrid system and select“ACC”, “IG−ON” or “OFF” mode. (See“—Selecting the push button start systemmode” on page 140 and “How to start thehybrid system” on page 350.) The systemcontains the following components.

The push button start system is used tostart or stop the hybrid system and select“ACC”, “IG−ON” or “OFF” mode. (See“—Selecting the push button start systemmode” on page 140 and “How to start thehybrid system” on page 350.) The systemcontains the following components.

1. “POWER” switch
2. Key slot
3. Brake pedal
4. Electronic shift lever

Key slot

Toyota Prius: Push button start system. Your vehicle keys and the key slot aredifferent shapes from conventional ones.Keep the following in mind when operatingthe key:

Your vehicle keys and the key slot aredifferent shapes from conventional ones.Keep the following in mind when operatingthe key:

  • When inserting the key, be sure topush it in all the way.
  • When pulling out the key, be carefulbecause it will be pushed out by thespring and it might fly out.
  • If the key cannot be pulled out, pushit in all the way again, then pull it out.

CAUTION

Do not put your finger into the keyslot. Your finger might be injured.

NOTICE

Observe the following instructions, orthe key mechanism might be damagedand will not work properly.

The key should be operated with aclean hand and fingers.

  • Do not insert the key forcibly.
  • Do not insert any key other thangenuine formal keys into the keyslot.
  • Do not pull out the key forciblywhen it cannot be removed.
  • Do not put water, oil, foreign objects,etc. into the key slot.
  • Do not insert a wet, oily or damagedkey into the key slot.
  • Do not affix a sticker on the key.
  • Do not insert the key in the wrongway.
  • Do not pull out the key ring whenremoving the key out of the keyslot.

Should you find anything unusual,contact your Toyota dealer as soon aspossible.

“POWER” switch

Toyota Prius: Push button start system. Press the “POWER” switch slowly andsurely. Quick operation may not activatethe desired mode.

Press the “POWER” switch slowly andsurely. Quick operation may not activatethe desired mode.

CAUTION

  • Do not press the switch while driving,except in an emergency.
  • In hot weather, the switch surfacemay get hot. Take care not to getburned.

NOTICE

Observe the following instructions orthe push button start system may notwork properly.

  • The switch should be operated witha clean finger. Do not use an oilyor dirty finger.
  • Be careful not to spill water or otherliquid on the switch.

In the following conditions, contactyour Toyota dealer as soon as possible.

  • If the indicator on the switchflashes in amber, the system maybe malfunctioning. Once you turnthe power off, it may not turn onagain.
  • If you find anything unusual in theswitch function, refrain from usingthe vehicle.

In the following condition, have yourvehicle inspected by your Toyota dealer.

  • The indicator light on the “POWER”switch does not come on when theclearance lights are turned on.

Selecting the push buttonstart system mode(with smart function—on some models)

Toyota Prius: Push button start system. Without depressing the brake pedal

Without depressing the brake pedal

Carrying a smart key allows you to operatethe “POWER” switch without thekey being inserted into the key slot.

Each time you press the “POWER”switch briefly without the brake pedaldepressed, the hybrid system modechanges in the order of “OFF”, “ACC”,“IG−ON” and then back to “OFF”.

The smart function can be set to becomeinoperative using the smart cancel switch.For details, see “Deactivating the smartfunction” on page 34.

1) “ACC” (Green indicator is turned on)

Accessories such as the radio operate.

Pressing the “POWER” switch briefly withoutdepressing the brake pedal in the“OFF” mode turns on this mode.

In the “ACC” mode, pressing the “POWER”switch briefly while depressing thebrake pedal will start the hybrid system.

If you leave your vehicle in the “ACC”mode for about an hour, the hybrid systemis automatically turned off.

2) “IG−ON” (Amber indicator is turnedon)

All accessories are operable.

Pressing the “POWER” switch briefly withoutdepressing the brake pedal in the“ACC” mode turns on this mode.

In the “IG−ON” mode, pressing the “POWER”switch briefly while depressing thebrake pedal will start the hybrid system.However, if “N” position is selected, thehybrid system will be turned to the “OFF”mode.

3) “OFF” (Indicator is turned off)

The hybrid system is off.

You may hear a motor sound in the enginecompartment for a few seconds afterthe system is turned off and about 90seconds have passed.

The hybrid vehicle immobilizer system isautomatically set. See “Hybrid vehicle immobilizersystem” on page 21.

Toyota Prius: Push button start system. With the brake pedal depressed

With the brake pedal depressed

The hybrid system will start and stopby pressing the “POWER” switch brieflywith the brake pedal depressed.

You may hear a motor sound in the enginecompartment when the brake pedal isdepressed with the hybrid system off.

1) “START” (Amber indicator comes onfor a few seconds.)

The hybrid system is ready to operateand all accessories are operable. (“IG−ON”)

Press the “POWER” switch with the brakepedal depressed.

For starting tips, see “How to start thehybrid system—” on page 350.

If in an emergency, you must turn thehybrid system off while the vehicle ismoving, press the “POWER” switch formore than 3 seconds. At this time, the“ACC” mode and shift position “N” areautomatically enabled.

2) “OFF” (Indicator is turned off)

The hybrid system is off.

You may hear a motor sound in the enginecompartment for a few seconds afterthe system is turned off and about 90seconds have passed.

The hybrid vehicle immobilizer system isautomatically set. See “Hybrid vehicle immobilizersystem” on page 21.

Approximately 5 hours after the hybridsystem is turned off, you may hear asound coming from underneath the luggagecompartment for several minutes.This is normal operation and does notindicate a malfunction. (See “Leak detectionpump” on page ix.)

NOTICE

  • The hybrid system cannot bestarted when the shift position is in“N”. Be sure to put it in “P” andthen start the system.
  • Do not leave the hybrid system in“ACC” or “IG−ON” for a long time.The 12 volt battery will discharge.
  • The hybrid mode in which the batteryis discharged or disconnectedis retained in memory, and thatmode is turned on when power isapplied.

When you leave your vehicle, be sure toturn the “POWER” switch off and carry thesmart key.

If you get out of your vehicle while carryinga key without turning off the “POWER”switch and then close the door, a warningtone sounds inside and beeps sound outside.

INFORMATION

You can insert a genuine key while inthe “IG−ON” mode or with the hybridsystem starting. Do not insert any keyother than genuine keys.

Selecting the push buttonstart system mode(without smart function)

Toyota Prius: Push button start system. Without depressing the brake pedal

Without depressing the brake pedal

Each time you press the “POWER”switch briefly without the brake pedaldepressed, the hybrid system modechanges in the order of “OFF”, “ACC”,“IG−ON” and then back to “OFF”.

1) “ACC” (Green indicator is turned on)Accessories such as the radio operate.

Pressing the “POWER” switch briefly withoutdepressing the brake pedal in the“OFF” mode turns on this mode.

The key can be removed at this position.The hybrid system is automatically turnedoff.

In the “ACC” mode, pressing the “POWER”switch briefly while depressing thebrake pedal will start the hybrid system.

If you leave your vehicle in the “ACC”mode for about an hour, the hybrid systemis automatically turned off.

2) “IG−ON” (Amber indicator is turnedon)

All accessories are operable.

Pressing the “POWER” switch briefly withoutdepressing the brake pedal in the“ACC” mode turns on this mode.

In the “IG−ON” mode, pressing the“POWER” switch briefly while depressingthe brake pedal will start the hybrid system.However, if “N” position is selected,the hybrid system will be turned in the“OFF” mode.

3) “OFF” (Indicator is turned off)

The hybrid system is off. The key canbe removed at this position.

You may hear a motor sound in the enginecompartment for a few seconds afterthe system is turned off and about 90seconds have passed.

Once you remove the key, the hybrid vehicleimmobilizer system is automaticallyset. See “Hybrid vehicle immobilizer system”on page 21.

Toyota Prius: Push button start system. With the brake pedal depressed

With the brake pedal depressed

The hybrid system will start and stopby pressing the “POWER” switch brieflywith the brake pedal depressed.

You may hear a motor sound in the enginecompartment when the brake pedal isdepressed with the hybrid system off.

1) “START” (Amber indicator comes onfor a few seconds)

The hybrid system is ready to operateand all accessories are operable. (“IG−ON”)

Insert the key and press the “POWER”switch briefly with the brake pedal depressed.

For starting tips, see “How to start thehybrid system—” on page 350.

If, in an emergency, you must turn thehybrid system off while the vehicle ismoving, press the “POWER” switch morethan 3 seconds. At this time, the “ACC”mode and shift position “N” are automaticallyenabled.

2) “OFF” (Indicator is turned off)

The hybrid system is off. The key canbe removed at this position.

You may hear a motor sound in the enginecompartment for a few seconds afterthe system is turned off and about 90seconds have passed.

Once you remove the key, the hybrid vehicleimmobilizer system is automaticallyset. See “Hybrid vehicle immobilizer system”on page 21.

Approximately 5 hours after the hybridsystem is turned off, you may hear asound coming from underneath the luggagecompartment for several minutes.

This is normal operation and does notindicate a malfunction. (See “Leak detectionpump” on page ix.)

NOTICE

  • The hybrid system cannot bestarted when the shift position is in“N”. Be sure to put it in “P” andthen start the system.
  • Do not leave the hybrid system in“ACC” or “IG−ON” for a long time.The 12 volt battery will discharge.
  • The hybrid mode in which the batteryis discharged or disconnectedis retained in memory, and thatmode is turned on when power isapplied.


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