2015 Lexus ES300h immobilizer

ES350_300h_OM_OM33B99U_(U)
2154-2. 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. 76
■Electronic key battery depletion
P. 1 3 8
■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 4
■Notes for the entry function
P. 1 3 5
■If the hybrid system does not start
●The immobilizer system may not have been deactivated. ( P. 8 6 )
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_OM33B99U_(U)
8-2. 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. 205)
●There may be a malfunction in the engine immobilizer system.
( P. 8 4 )
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 680)
●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 ba ttery depletion or a blown fuse. How-
ever, an interim measure is available to start the engine. ( P. 673)
If the engine will not start even though correct starting procedures are
being followed ( P. 205), 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

674
ES350_300h_OM_OM33B99U_(U)
8-2. 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. 6 7 8 )
●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 6 )
●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. 675)
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 6 8 4 )
●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 1 2 )
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.

770Alphabetical index
ES350_300h_OM_OM33B99U_(U)
Emergency, in case ofIf a warning buzzer sounds..................................................626
If a warning light turns on...............626
If a warning message is displayed ....................................... 636
If the 12-volt battery is discharged ........................... 680, 684
If the electronic key does not operate properly ........ 677
If the engine will not start................ 672
If the hybrid system will not start ................................................ 674
If the shift lever cannot be shifted from P ............676
If you have a flat tire ......................... 659
If you think something is wrong...............................................624
If your vehicle becomes stuck ......................................................697
If your vehicle has to be stopped in an emergency ........... 615
If your vehicle needs to be towed .........................................617
If your vehicle overheats .... 688, 691
Emergency flashers ...............................614
Energy monitor ........................................ 114 Engine
Accessory mode ............................... 206
Compartment .....................................545
Engine switch ............................205, 212
Hood..........................................................541
How to start the engine..................205
How to start the hybrid system .................................................... 212
Identification number....................... 702
If the engine will not start ............... 672
Ignition switch (“POWER” switch).................................................... 212
Ignition switch (“START STOP ENGINE” switch) .........................205
Overheating..............................688, 691
“POWER” switch. ............................... 212
“START STOP ENGINE” switch ...................................................205
Engine compartment cover..............547
Engine coolant Capacity................................................. 707
Checking ...............................................553
Preparing and checking before winter ...................................... 341
Engine coolant temperature gauge ......................................................... 97
Engine immobilizer system ................. 84
Engine oil Capacity................................................. 705
Checking ...............................................548
Oil level warning message ........... 644
Oil pressure warning message........................... 637
Preparing and checking before winter ...................................... 341

773Alphabetical index
ES350_300h_OM_OM33B99U_(U)
I/M test ..................................................... 536
IdentificationEngine ......................................................702
Vehicle ..................................................... 701
Ignition switch (“POWER” switch) ...................................................... 212
Ignition switch (“START STOP ENGINE” switch) ............................. 205
Illuminated entry system ..................... 481
Immobilizer system.........................84, 86
Indicators .................................................... 95
Initialization Maintenance........................................ 530
Tire pressure warning system................................567
Initiators (tire pressure warning system)................................. 575
Inside rear view mirror .......................... 171
Instrument panel light control ............ 99
Interior light............................................. 479
Intuitive parking assist Function ................................................... 281
Warning message ................638, 645 Jack
Positioning a floor jack.................... 542
Vehicle-equipped jack .................. 660
Jack handle ................................................ 660
Jam protection function Moon roof .............................................. 183
Power trunk opener and closer ............................................. 151
Power windows....................................178
Keyless entry Smart access system with push-button start.................... 127
Wireless remote control....................141
Keys Battery-saving function ....................133
Electronic key ........................................ 124
Engine switch ............................205, 212
If the electronic key does not operate properly ........ 677
Key number plate ................................ 124
Keyless entry ..................................127, 141
Mechanical key..................................... 124
“POWER” switch ................................ 212
Replacing the battery ......................584
“START STOP ENGINE” switch ...................................................205
Warning buzzer.....................................131
Wireless remote control key ...........141
Knee airbags ............................................. 38
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K
*: For vehicles with a navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

780Alphabetical index
ES350_300h_OM_OM33B99U_(U)
Rear sunshade switch ..................... 495
Rear window and outside rear view mirror defoggers
switch....................................................470
Seat heater switches.........................478
Seat ventilator switches ..................478
“SOS” button......................................... 513
“START STOP ENGINE” switch................................................... 205
Talk switch
*........................................... 431
Telephone switches
*........................ 431
Tilt and telescopic steering control switch ................. 169
Tire pressure warning reset switch................................................... 568
Trunk closer switch ............................ 150
Trunk opener switch ......................... 149
Trunk opener main switch.............. 150
Vehicle-to-vehicle distance button .................................................... 261
VSC OFF switch ................................ 315
Window lock switch........................... 177
Windshield wipers and washer switch .........................245 Tachometer ................................................ 97
Tail lights
Light switch........................................... 233
Replacing light bulbs ........................ 610
Welcome light illumination control.................................................... 127
Talk switch
*.............................................. 431
Telephone switches
*............................ 431
Theft deterrent system Alarm ..........................................................88
Engine immobilizer system ............. 84
Immobilizer system.............................. 86
Tire inflation pressure Maintenance data................................ 712
Tire inflation pressure display function................................................. 105
Warning light .......................................630
Warning message............................ 650
Tire information ...................................... 718 Glossary................................................. 725
Size ............................................................. 721
Tire identification number ............. 720
Uniform Tire Quality Grading ...............................................723
Tire pressure warning system Function .................................................. 567
Initializing ............................................... 567
Installing tire pressure warning valves and transmitters................ 567
Registering ID codes .......................569
Tire pressure warning reset switch .................................................. 568
Warning light .......................................630
Warning message............................ 650
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