LEXUS RX270 2014 Owners Manual
Manufacturer: LEXUS, Model Year: 2014, Model line: RX270, Model: LEXUS RX270 2014Pages: 652, PDF Size: 48.98 MB
Page 581 of 652

5
581
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EEFirmly tighten each wheel nut two
or three times in the order shown
in the illustration.
Tightening torque:
103 N•m (10.5 kgf•m, 76 ft•lbf)
Stow the flat tire, tire jack and all tools.
STEP4
■The compact spare tire (if equipped)
●The compact spare tire is identified by the label “TEMPORARY USE ONLY”
on the tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.
●Make sure to check the tire inflation pressure of the compact spare tire.
(→P. 6 1 7 )
■When using the compact spare tire (if equipped)
As the compact spare tire is not equipped with a tire pressure warning valve and
transmitter, low inflation pressure of the spare tire will not be indicated by the tire
pressure warning system. Also, if you replace the compact spare tire after the tire
pressure warning light comes on, the light remains on.
■If you have a flat front tire on a road covered with snow or ice (vehicles with a
compact spare tire)
Install the compact spare tire on one of the rear wheels of the vehicle. Perform the
following steps and fit tire chains to the front tires:
Replace a rear tire with the compact spare tire.
Replace the flat front tire with the tire removed from the rear of the vehi-
cle.
Fit tire chains to the front tires.
■After completing the tire change (vehicles with tire pressure warning system)
The tire pressure warning system must be reset. (→P. 4 8 5 )
STEP5
STEP1
STEP2
STEP3
RX350_270_EE_48D77E.book 581 ページ 2014年1月24日 金曜日 午前10時4分
Page 582 of 652

582
5-2. Steps to take in an emergency
RX350/270_EE
■Certification for the jack
RX350_270_EE_48D77E.book 582 ページ 2014年1月24日 金曜日 午前10時4分
Page 583 of 652

5
583
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EE
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 not 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 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 greater than that required to replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
●Vehicles with electronically modulated air suspension: Be sure to turn off the
height control and stop the engine.
Take particular care when lowering the vehicle to ensure that no one working on or
near the vehicle may be injured.
RX350_270_EE_48D77E.book 583 ページ 2014年1月24日 金曜日 午前10時4分
Page 584 of 652

584
5-2. Steps to take in an emergency
RX350/270_EE
CAUTION
■Replacing a flat tire
●Observe the following precautions.
Failure to do so may result in serious injury:
• Do not touch the disc wheels or the area around the brakes immediately after
the vehicle has been driven.
After the vehicle has been driven the disc wheels and the area around the
brakes will be extremely hot. Touching these areas with hands, feet or other
body parts while changing a tire, etc. may result in burns.
• Do not attach a heavily damaged wheel ornament, as it may fly off the wheel
while the vehicle is moving.
●Failure to follow these precautions could cause the wheel nuts to loosen and the
tire to fall off, resulting in death or serious injury.
• Never use oil or grease on the wheel bolts or wheel nuts.
Oil and grease may cause the wheel nuts to be excessively tightened, leading
to bolt or disc wheel damage. In addition, the oil or grease can cause the
wheel nuts to loosen and the wheel may fall off, causing a serious accident.
Remove any oil or grease from the wheel bolts or wheel nuts.
• Have the wheel nuts tightened with a torque wrench to 103 N
•m (10.5 kgf•m,
76 f t
•lbf) as soon as possible after changing wheels.
• When installing a tire, only use wheel nuts that have been specifically
designed for that wheel.
• If there are any cracks or deformations in the bolt screws, nut threads or bolt
holes of the wheel, have the vehicle inspected by your Lexus dealer or
repairer, or another duly qualified and equipped professional immediately.
■Replacing a flat tire for vehicles with power back door
In cases such as when replacing tires, make sure to turn off the power back door
main switch (→P. 62). Failure to do so may cause the back door to operate uninten-
tionally if the power back door switch is accidentally touched, resulting in hands and
fingers being caught and injured.
RX350_270_EE_48D77E.book 584 ページ 2014年1月24日 金曜日 午前10時4分
Page 585 of 652

5
585
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EE
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use
with your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting opera-
tions that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS & Brake assist
●VSC
●VSC+ (if equipped)
●TRC
●VDIM (if equipped)
●Lexus parking assist-sensor (if equipped)
●Navigation system (if equipped)
●Cruise control (if equipped)
●Dynamic radar cruise control (if equipped)
●Electronically modulated air suspension (if equipped)
●PCS (Pre-Crash Safety system) (if equipped)
Also, not only can the following system not be utilized fully, but it may even nega-
tively affect the drive-train components:
●AWD system (if equipped)
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 80 km/h (50 mph) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accident causing death or serious injury.
RX350_270_EE_48D77E.book 585 ページ 2014年1月24日 金曜日 午前10時4分
Page 586 of 652

586
5-2. Steps to take in an emergency
RX350/270_EE
NOTICE
■Do not drive the vehicle with a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the wheel
beyond repair.
■Be careful when driving over bumps with the compact spare tire installed on the
vehicle.
The vehicle becomes lower when driving with the compact spare tire compared to
when driving with standard tires. Be careful when driving over uneven road sur-
faces.
■Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire chains may damage the vehicle body and adversely affect driving performance.
■When replacing the tires (vehicles with tire pressure warning system)
When removing or fitting the wheels, tires or the tire pressure warning valve and
transmitter, contact any authorized Lexus dealer or repairer, or another duly quali-
fied and equipped professional as the tire pressure warning valve and transmitter
may be damaged if not handled correctly.
■To avoid damage to the tire pressure warning valves and transmitters (vehicles
with tire pressure warning system)
When a tire is repaired with liquid sealants, the tire pressure warning valve and
transmitter may not operate properly. If a liquid sealant is used, contact any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped professional
or other qualified service shop as soon as possible. Make sure to replace the tire
pressure warning valve and transmitter when replacing the tire. (→P. 4 8 4 )
RX350_270_EE_48D77E.book 586 ページ 2014年1月24日 金曜日 午前10時4分
Page 587 of 652

5
587
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EE
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (→P. 180), consider each of the following points.
■The engine will not start, even though the starter motor operates
normally.
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 following correct starting proce-
dures. (→P. 1 8 0 )
●There may be a malfunction in the engine immobilizer system.
(→P. 115)
■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.
One of the following may be the cause of the problem:
●The battery may be discharged. (→P. 5 9 4 )
●The battery terminal connections may be loose or corroded.
■The starter motor does not turn over.
The engine starting system may be malfunctioning due to an electri-
cal problem such as an open circuit or a blown fuse. However, an
interim measure is available to start the engine. (→P. 588)
RX350_270_EE_48D77E.book 587 ページ 2014年1月24日 金曜日 午前10時4分
Page 588 of 652

588
5-2. Steps to take in an emergency
RX350/270_EE
Emergency start function
When the engine does not start, the following steps can be used as an
interim measure to start the engine if the “ENGINE START STOP” switch
is functioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” switch for about 15
seconds while depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system may
be malfunctioning. Have the vehicle checked by any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.
■The starter motor does not turn over, the interior lights and head-
lights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem:
●One or both of the battery terminals may be disconnected.
●The battery may be discharged. (→P. 5 9 4 )
●There may be a malfunction in the steering lock system.
Contact any authorized Lexus dealer or repairer, or another duly quali-
fied and equipped professional if the problem cannot be repaired, or if
repair procedures are unknown.
STEP1
STEP2
STEP3
STEP4
RX350_270_EE_48D77E.book 588 ページ 2014年1月24日 金曜日 午前10時4分
Page 589 of 652

5
589
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EE
If the shift lever cannot be shifted from P
If the shift lever cannot be shifted with your foot on the brake pedal, there
may be a problem with the shift lock system (a system to prevent accidental
operation of the shift lever). Have the vehicle inspected by any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional immediately.
The following steps may be used as an emergency measure to ensure that
the shift lever can be shifted:
Set the parking brake.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Depress the brake pedal.
Press the shift lock override but-
ton.
The shift lever can be shifted
while the button is pressed.
STEP1
STEP2
STEP3
STEP4
RX350_270_EE_48D77E.book 589 ページ 2014年1月24日 金曜日 午前10時4分
Page 590 of 652

590
5-2. Steps to take in an emergency
RX350/270_EE
If you lose your keys
New genuine Lexus keys can be made by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional, using one of
the other keys and the key number stamped on your key number plate.
RX350_270_EE_48D77E.book 590 ページ 2014年1月24日 金曜日 午前10時4分