2015 LEXUS RX350 run flat

6624-2. Maintenance
Vehicle exterior Items Check points
Doors • Do the doors operate smoothly?
Engine hood • Does the engine hood lock system
work properly?
Fluid leaks • There should not be any signs of
fluid leakage after the vehicle has
been parked.
Ti r e s • Is the tire inflation pressure cor-
rect?
• The tires should not be damaged or
excessively worn.
• Have the tires been rotated
according to the maintenance
schedule?
• The wheel nuts should not be loose.
Windshield wipers/rear window
wiper • The wiper blades should not show
any signs of cracking, splitting,
wear, contamination or deforma-
tion.
• The wiper blades should clear the
windshield/rear window without
streaking or skipping.
CAUTION
■
If the engine is running
Turn the engine off and ensure that there is adequate ventilation before performing
maintenance checks.

5
When trouble arises
7355-1. Essential information
If your vehicle needs to be towed
Situations needs to contact dealers before towing
The following may indicate a problem with your transmission. Contact
your Lexus dealer before towing.
● The engine is running but the vehicle will not move.
● The vehicle makes an abnormal sound.
Towing with a sling-type truck
Do not tow with a sling-type truck
to prevent body damage.If towing is necessary, we recommend having your vehicle towed by your
Lexus dealer or a commercial towing service, using a lift-type truck or a
flatbed truck.
Use a safety chain system for all towi ng, and abide by all state/provincial
and local laws.
2WD models: If towing your vehicle wi th a wheel-lift type truck from the
front, the vehicle's rear wheels and axles must be in good conditions.
(  P. 7 3 6 , 74 0 )
If they are damaged, use a to wing dolly or flatbed truck.
AWD models: If towing your vehicle with a wheel-lift type truck, use a tow-
ing dolly. (  P. 7 3 6 , 74 0 )

7425-1. Essential information
If you think something is wrong If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
■ Visible symptoms
● Fluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temper ature gauge needle continually points
higher than normal.
■ Audible symptoms
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
● Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking.
● Vehicle pulls heavily to one side when driving on a level road.
● Loss of brake effectiveness, sp ongy feeling, pedal almost touches
the floor

5
When trouble arises
7855-2. Steps to take in an emergency
CAUTION■
Using the tire jack
Improper use of the tire jack may cause the vehicle to suddenly fall off the jack,
leading to death or serious injury. ●
Do not use the tire jack for any purpose other than replacing tires or installing and
removing tire chains.●
Only use the tire jack that comes with this vehicle for replacing a flat tire.
Do not use it on other vehicles, and do no t use other tire jacks for replacing tires
on this vehicle.●
Always check that the tire jack is securely set to the jack point.●
Do not put any part of your body under the vehicle while it is supported by the
jack.●
Do not start or run the engine while your vehicle while it is supported by the jack.●
Do not raise the vehicle while someone is inside.●
When raising the vehicle, do not put an object on or under the jack.●
Do not raise the vehicle to a height greate r than that required to replace the tire.●
Use a jack stand if it is necessary to get under the vehicle.
Take particular care when lowering the vehicle to ensure that no one working on or
near the vehicle may be injured.

873Alphabetical index
Daytime running light system............ 213
Defogger*
Rear window.......................................... 361
Side mirrors............................................ 361
Dimensions ............................................. 806
Dinghy towing ....................................... 323
Display
Multi-information display............... 200
Trip information .................................. 203
Warning message ............................ 754
Do-it-yourself maintenance..............664
Door courtesy lights
Door courtesy lights ........................ 595
Wattage ................................................... 817
Door lock
Back door ................................................ 56
Side door ...................................................52
Wireless remote control....................49
Door pockets ......................................... 600
Doors
Back door ................................................ 56
Door lock ................................35, 49, 52
Door windows ....................................... 98
Power back door ................................. 56
Side door ...................................................52
Side mirrors............................................. 95
Driver's seat belt reminder light ..... 747
Driving
Break-in tips ...........................................155
Correct posture ..................................... 117
Procedures ............................................. 154
Utility vehicle
precautions ........................................292
Winter driving tips ............................ 302
Driving position memory ...................... 76 Electric power steering ...................... 269
Electronic features control .............. 200
Electronic key
If the electronic key does not
operate properly ............................ 793
Emergency flashers
Switch....................................................... 734
Emergency, in case of
If a warning buzzer sounds........... 744
If a warning light turns on............... 744
If a warning message is
displayed............................................. 754
If the back door opener is
inoperative ..............................................61
If the electronic key does not
operate properly ............................ 793
If the engine will not start............... 789
If the shift lever cannot be
shifted from P .....................................791
If the vehicle has a discharged
battery ..................................................796
If you have a flat tire ......................... 774
If you lose your keys ......................... 792
If you think something is
wrong ................................................... 742
If your vehicle becomes stuck .... 802
If your vehicle has to be
stopped in an emergency ......... 804
If your vehicle needs to be
towed....................................................735
If your vehicle overheats ................799D E
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

882What to do if...
What to do if... A tire punctures P. 7 74
If you have a flat tire
The engine does not start P. 7 8 9
If the engine will not start P. 1 1 0
Engine immobilizer system P. 7 9 6
If the vehicle battery is discharged
The shift lever cannot be
moved out P. 7 9 1
If the shift lever cannot be shifted
from P
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood P. 7 9 9
If your vehicle overheats
The key is lost P. 7 9 2
If you lose your keys
The battery runs out P. 7 9 6
If the vehicle battery is discharged
The doors cannot be locked P. 5 2
Side doors P. 5 6
Back door
The horn begins to sound P. 1 1 2
Alarm
The vehicle is stuck in mud or
sand P. 8 0 2
If the vehicle becomes stuck