2019 LEXUS RX350L check engine

752
RX350/RX350L_UWhat to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, ne
w genuine mechanical keys can be made
by your Lexus dealer. ( P. 121)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( P. 123)
●Is the electronic key battery weak or depleted? ( P. 623)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (P. 232)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
( P. 148)
●Is the child-protector lock set?
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( P. 127)
If you have a problem, check the foll owing before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

754What to do if... (Troubleshooting)
RX350/RX350L_U
●The seat belt reminder light is flashing
Are the driver and the passengers wearing the seat belts?
( P. 656, 656)
●The parking brake indicator is on
Is the parking brake released? ( P. 247)
Depending on the situation, other types of warning buzzer may also sound.
( P. 654, 661)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 77)
Do one of the following to stop the alarms:
• Unlock the doors.
• Turn the engine switch to ACCESSORY or IGNITION ON mode, or start the engine.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display. ( P. 661)
●When a warning light turns on or a warning message is displayed, refer to
P. 654, 661.A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

760Alphabetical index
RX350/RX350L_U
Child-protectors..................................... 127
Cleaning......................................... 576, 581 Aluminum wheels .............................. 577
Exterior....................................................576
Interior ...................................................... 581
Seat belts ............................................... 582
Clock .................................................86, 544
Coat hooks.............................................. 556
Compass .................................................. 564
Condenser .............................................. 599
Console box ...........................................530
Consumption screen ..................... 94, 114 Coolant
Capacity................................................. 702
Checking .............................................. 598
Preparing and checking before winter ....................................384
Cooling system ..................................... 598 Engine overheating .......................... 692
Cornering lights.................................... 253
Cruise control Dynamic radar cruise control with full-speed range .................. 300
Cup holders.............................................. 531
Curtain shield airbags ............................ 37
Customizable features ....................... 722
Customized mode................................373

762Alphabetical index
RX350/RX350L_U
Eco drive mode ..................................... 373
Eco Driving Indicator........................... 105
EDR (Event data recorder) ...................10
Electric Power Steering (EPS) ....... 378Warning light ...................................... 655
Electronic key ......................................... 120 Battery-saving function .....................147
If the electronic key does not operate properly............................ 684
Replacing the battery .......................623
Emergency flashers ............................. 644
Emergency, in case of If a warning buzzer sounds.......... 654
If a warning light turns on.............. 654
If a warning message is displayed.............................................. 661
If the battery is discharged ........... 687
If the electronic key does not operate properly............................ 684
If the engine will not start............... 682
If you have a flat tire ......................... 666
If you lose your keys .................. 121, 123
If you think something is wrong ...................................................652
If your vehicle becomes stuck .... 695
If your vehicle has to be stopped in an emergency .. 645
If your vehicle needs to be towed................................................... 646
If your vehicle overheats ................692 Engine
ACCESSORY mode ..................... 232
Compartment ..................................... 594
Engine switch ........................................ 231
Hood........................................................ 592
How to start the engine.................... 231
Identification number.......................700
If your vehicle has to be stopped in an emergency.......... 645
Ignition switch (engine switch) ..... 231
Overheating......................................... 692
Engine coolant Capacity................................................. 702
Checking .............................................. 598
Preparing and checking before winter ....................................384
Engine coolant temperature gauge ........................................................ 86
Engine immobilizer system .................. 74
Engine oil Capacity.................................................700
Checking ...............................................595
Preparing and checking before winter ....................................384
Engine oil maintenance data ............597
Engine switch ........................................... 231
Enhanced VSC ..................................... 378
EPS (Electronic Power Steering) ........ 378 Warning light .......................................655
Event data recorder (EDR)................... 10
E

773Alphabetical index
RX350/RX350L_U
Tachometer ............................................... 86
Tail lightsLight switch ........................................... 252
Replacing light bulbs ....................... 630
Talk switch ....................................465, 487
Telephone switch.................................. 465
Theft deterrent system Alarm........................................................... 77
Engine immobilizer system.............. 74
Tire inflation pressure Maintenance data ..............................704
Warning light ...................................... 656
Tire information ..................................... 709 Glossary ...................................................716
Size .............................................................. 712
Tire identification number................. 711
Uniform Tire Quality Grading.................................................714
Tire pressure warning system Initializing............................................... 605
Installing tire pressure warning valves and transmitters ............... 605
Registering ID codes ...................... 606
Warning light ...................................... 656 Tires ........................................................... 604
Chains .....................................................385
Checking ...............................................604
Glossary................................................... 716
If you have a flat tire ..........................666
Inflation pressure......................613, 704
Replacing ...............................................666
Rotating tires ........................................604
Size ........................................................... 704
Snow tires ..............................................386
Spare tire....................................666, 704
Tire identification number ................. 711
Tire pressure warning system .... 605
Uniform Tire Quality Grading ................................................ 714
Warning light .......................................656
Tools ........................................................... 667
Top tether strap ........................................70
Total load capacity............................... 698
Touchless power back door .............. 132
Towing Dinghy towing ..................................... 230
Emergency towing ........................... 646
Towing eyelet ...................................... 649
Trailer Sway Control ....................... 378
Trailer towing............................. 215, 229
TRAC (Traction Control)................. 378
Traction Control (TRAC)................. 378
Trailer Sway Control .......................... 378
Trailer towing ................................215, 229
T