2019 LEXUS RX350 check engine

752
RX350/RX350L_U What 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

754 What 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 type s 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 wa rning 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

760 Alphabetical 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

762 Alphabetical index
RX350/RX350L_U Eco drive mode ..................................... 373
Eco Driving Indicator........................... 105
EDR (Event data recorder) ...................10
Electric Power Steering (EPS) ....... 378
Warning 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)................... 10E

773Alphabetical index
RX350/RX350L_U Tachometer ............................................... 86
Tail lights
Light 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, 229T