2014 Lexus ES300h immobilizer

ES350_300h_OM_OM33A60U_(U)
2114-2. Driving procedures
4
Driving
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes 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 sys-
tem is not operating.
■Sounds and vibrations specific to a hybrid vehicles
 P. 7 5
■Electronic key battery depletion
P. 1 3 6
■When the ambient temperature is low, such as during winter driving conditions
It may take time until the “READY” indicator comes on.
■Conditions affecting operation
P. 1 3 2
■Notes for the entry function
P. 1 3 3
■If the hybrid system does not start
●The immobilizer system may not have been deactivated. ( P. 8 4 )
Contact your Lexus dealer.
●Check that the shift lever is securely set in P. The hybrid system may not start if the
shift lever is displaced out of P. “Shift to P position when starting” will be displayed
on the multi-information display.
■Steering lock
After turning the “POWER” switch off and opening and closing the doors, the steer-
ing wheel will be locked due to the stee ring lock function. Operating the “POWER”
switch again automatically cancels the steering lock.

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ES350_300h_OM_OM33A60U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If the engine will not start (gasoline vehicles)
One of the following may be the cause of the problem:
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●The engine may be flooded.
Try to restart the engine again foll owing correct starting procedures.
( P. 201)
●There may be a malfunction in the engine immobilizer system.
( P. 8 2 )
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 813)
●The 12-volt battery terminal connecti ons may be loose or corroded.
The engine starting system may be malfunctioning due to an electrical
problem such as electronic key battery depletion or a blown fuse. How-
ever, an interim measure is available to start the engine. ( P. 8 0 6 )
If the engine will not start even though correct starting procedures are
being followed ( P. 201), consider each of the following points:
The engine will not start even though the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume.
The starter motor does not turn over

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ES350_300h_OM_OM33A60U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If the hybrid system will not start (hybrid vehicles)
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly. (P. 811)
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●There may be a malfunction in the immobilizer system. ( P. 8 4 )
●There may be a malfunction in the steering lock system.
●The hybrid system may be malfunctio ning due to an electrical problem
such as electronic key battery de pletion or a blown fuse. However,
depending on the type of malfuncti on, an interim measure is available
to start the hybrid system. ( P. 8 0 8 )
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 8 1 7 )
●The 12-volt battery terminal connecti ons may be loose or corroded.
Reasons for the hybrid system not st arting vary depending on the situa-
tion. Check the following and perf orm the appropriate procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 2 0 8 )
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.

902Alphabetical index
ES350_300h_OM_OM33A60U_(U)
Emergency, in case ofIf a warning buzzer sounds..................................................759
If a warning light turns on...............759
If a warning message is displayed ........................................769
If the 12-volt battery is discharged ................................813, 817
If the electronic key does not operate properly .........810
If the engine will not start............... 805
If the hybrid system will not start ............................................... 807
If the shift lever cannot be shifted from P ........... 809
If you have a flat tire .......................... 792
If you think something is wrong............................................... 757
If your vehicle becomes stuck ..................................................... 828
If your vehicle has to be stopped in an emergency .......... 749
If your vehicle needs to be towed ........................................ 751
If your vehicle overheats ..... 821, 824
Emergency flashers ............................. 748
Energy monitor ........................................ 112 Engine
Accessory mode ............................... 202
Compartment ...................................... 681
Engine switch ........................... 201, 208
Hood........................................................ 677
How to start the engine....................201
How to start the hybrid system ..................................................208
Identification number.......................834
If the engine will not start .............. 805
Ignition switch (“POWER” switch)..................................................208
Ignition switch (“START STOP ENGINE” switch) ...........................201
Overheating.............................. 821, 824
“Power” switch. ...................................208
“START STOP ENGINE” switch .....................................................201
Engine compartment cover............. 683
Engine coolant Capacity.................................................839
Checking .............................................. 689
Preparing and checking before winter ....................................330
Engine coolant temperature gauge ........................................................ 95
Engine immobilizer system ................. 82
Engine oil Capacity................................................. 837
Checking ...............................................684
Oil level warning message ............ 777
Oil pressure warning message........................... 770
Preparing and checking before winter ....................................330

905Alphabetical index
ES350_300h_OM_OM33A60U_(U)
I/M test ..................................................... 672
IdentificationEngine ..................................................... 834
Vehicle ................................................... 833
Ignition switch (“POWER” switch) ....................................................208
Ignition switch (“START STOP ENGINE” switch) .............................. 201
Illuminated entry system ......................613
Immobilizer system.........................82, 84
Indicators .................................................... 93
Initialization Maintenance........................................ 666
Tire pressure warning system................................703
Initiators (tire pressure warning system)...................................710
Inside rear view mirror ........................ 168
Instrument panel light control ............ 96
Interior light................................................ 611
Intuitive parking assist Function .................................................. 275
Warning message ................... 771, 778 Jack
Positioning a floor jack.................... 678
Vehicle-equipped jack ................... 793
Jack handle ................................................. 793
Jam protection function Moon roof ............................................... 179
Power trunk opener and closer ............................................149
Power windows.................................... 175
Keyless entry Smart access system with push-button start.................... 125
Wireless remote control..................139
Keys Battery-saving function ......................131
Electronic key ........................................ 122
Engine switch ........................... 201, 208
If the electronic key does not operate properly ......... 810
Key number plate ................................ 122
Keyless entry ............................... 125, 139
Mechanical key..................................... 122
“Power” switch ....................................208
Replacing the battery ........................ 719
“START STOP ENGINE” switch .....................................................201
Warning buzzer................................... 129
Wireless remote control key .........139
Knee airbags ............................................. 38
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*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

912Alphabetical index
ES350_300h_OM_OM33A60U_(U)
Rear sunshade switch ....................... 631
Rear window and outside rear view mirror defoggers
switch
*................................................378
Seat heater switches........................ 628
Seat ventilator switches ................. 628
“SOS” button....................................... 649
“START STOP ENGINE” switch..................................................... 201
Talk switch
*...............................451, 582
Telephone switches
*............451, 582
Tilt and telescopic steering control switch ................. 166
Tire pressure warning reset switch....................................................704
Trunk closer switch ............................ 148
Trunk opener switch ..........................147
Trunk opener main switch.............. 148
Vehicle-to-vehicle distance button .................................................. 255
VSC OFF switch .............................. 304
Window lock switch...........................174
Windshield wipers and washer switch .........................239 Tachometer ............................................... 95
Tail lights
Light switch........................................... 228
Replacing light bulbs ....................... 745
Welcome light illumination control.................................................... 125
Talk switch
*.................................. 451, 582
Telephone switches
*................ 451, 582
Theft deterrent system Alarm .......................................................... 86
Engine immobilizer system ............. 82
Immobilizer system.............................. 84
Tire inflation pressure Maintenance data.............................. 844
Tire inflation pressure display function................................................. 103
Warning light ....................................... 763
Warning message............................. 783
Tire information .................................... 850 Glossary................................................. 857
Size ...........................................................853
Tire identification number .............852
Uniform Tire Quality Grading ............................................. 855
Tire pressure warning system Function .................................................. 703
Initializing ............................................... 703
Installing tire pressure warning valves and transmitters................ 703
Registering ID codes ....................... 705
Tire pressure warning reset switch ................................................... 704
Warning light ....................................... 763
Warning message................. 783, 784
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