Page 719 of 776
7198-2. Steps to take in an emergency
8
When trouble arises
RX350/RX200t_EE_OM48F32E
The coolant level is satisfactory if it is between the “FULL” and “LOW” lines on
the reservoir.
Add coolant if necessary.
4
EngineIntercooler (RX200t only)
Reservoir
“FULL” line
“LOW” line
Radiator cap
1
2
3
4
5
EngineIntercooler (RX200t only)
Water can be used in an emergency if coolant is unavailable.
Page 721 of 776
7218-2. Steps to take in an emergency
8
When trouble arises
RX350/RX200t_EE_OM48F32E
NOTICE
■When adding engine coolant
Add coolant slowly after the engine has cool ed down sufficiently. Adding cool coolant to a hot engine too quickly can cause damage to the engine.
■To prevent damage to the cooling system
Observe the following precautions:
●Avoid contaminating the coolant with foreign matter (such as sand or dust, etc.).
●Do not use any coolant additive.
Page 723 of 776

7238-2. Steps to take in an emergency
8
When trouble arises
RX350/RX200t_EE_OM48F32E
WARNING
■When attempting to free a stuck vehicle
If you choose to push the vehicle back and forth to free it, make sure the surrounding area is clear to avoid striking other vehi cles, objects or people. The vehicle may also
lunge forward or lunge back suddenly as it becomes free. Use extreme caution.
■When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pedal depressed.
This may lead to unexpected rapid acceleration of the vehicle that may cause an acci- dent resulting in death or serious injury.
NOTICE
■To avoid damage to the transmission and other components
●Avoid spinning the front wheels and depres sing the accelerator pedal more than nec-
essary.
●If the vehicle remains stuck even after these procedures are performed, the vehicle may require towing to be freed.
●When a warning message for the automatic transmission fluid temperature is dis-played while attempting to free a stuck ve hicle, immediately remove your foot from the accelerator pedal and wait until the warning message disappears. Otherwise, the
transmission may become damaged. ( P. 675)
Page 753 of 776
753
Index
RX350/RX200t_EE_OM48F32E
What to do if...
(Troubleshooting)............................... 754
Alphabetical index................................. 758
For vehicles with a navigation system, refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” for information regarding the
equipment listed below.
• Navigation system
• Audio/visual system
• Lexus parking assist monitor
•Panoramic view monitor
Page 754 of 776

754
RX350/RX200t_EE_OM48F32E
What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be made
by any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional. ( P. 136)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional immediately. ( P. 138)
●Is the electronic key battery weak or depleted? (P. 638)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 247)
●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 due to the condition of the radio wave.
( P. 170)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( P. 143)
If you have a problem, check the following before contacting any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional.
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
Page 755 of 776

755What to do if... (Troubleshooting)
RX350/RX200t_EE_OM48F32E
●Did you press the engine switch while firmly depressing the brake pedal?
( P. 246)
●Is the shift lever in P? (P. 248)
●Is the electronic key anywhere detectable inside the vehicle? (P. 168)
●Is the steering wheel unlocked? (P. 248)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( P. 712)
●Is the battery discharged? (P. 714)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode ( P. 256)
●It is locked automatically to prevent theft of the vehicle. (P. 248)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( P. 210)
●The auto power off function will be operated if the vehicle is left in
ACCESSORY or IGNITION ON mode (the engine is not running) for a
period of time. ( P. 248)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal
The steering wheel cannot be turned after the engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
Page 756 of 776

756What to do if... (Troubleshooting)
RX350/RX200t_EE_OM48F32E
●The seat belt reminder light is flashing
Are the driver and the passengers wearing the seat belts? ( P. 669, 669)
●The parking brake indicator is on
Is the parking brake released? ( P. 259)
Depending on the situation, other types of warning buzzer may also sound.
( P. 666, 673)
●Did anyone inside the vehicle open a door or anything move inside the vehicle
during setting the alarm?
The sensor detects them and the alarm sounds. ( P. 83)
Do one of the following to stop the alarm:
• Unlock the doors using the entry fu nction or wireless remote control. • Start the engine.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display. ( P. 673)
●When a warning light turns on or a warning message is displayed, refer to
P. 666, 673.
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
(vehicles with an alarm)
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed
Page 757 of 776
757What to do if... (Troubleshooting)
RX350/RX200t_EE_OM48F32E
●Vehicles without a spare tire
Stop the vehicle in a safe place and repair the flat tire temporarily with the
emergency tire puncture repair kit. ( P. 693)
●Vehicles with a spare tire
Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( P. 679)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
( P. 722)
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck