belt LEXUS RX350 2015 Repair Manual

7485-2. Steps to take in an emergency
* 1
: Open door warning buzzer:
The open door warning buzzer sounds to alert one or more of the doors is not
fully closed (with the vehicle having reached a speed of 3 mph [5 km/h]).
(  P. 7 5 9 )
* 2
: Driver's and front passenger’s seat belt buzzer:
The driver’s and front passenger’s seat belt buzzer sounds to alert the driver
and front passenger that his or her seat belt is not fastened. The buzzer sounds
intermittently for 10 seconds after the vehicle reaches a speed of 12 mph (20
km/h). Then, if the seat be lt is still unfastened, the bu zzer will sound in a differ-
ent tone for 20 more seconds. Tire pressure warning light
When the light comes on:
Low tire inflation pressure
such as
• Natural causes (  P. 7 5 0 )
• Flat tire (  P. 7 74 ) Adjust the tire inflation pres-
sure (including the full-size
spare tire) to the specified
level.
The light will turn off after a
few minutes. In case the light
does not turn off even if the
tire inflation pressure is
adjusted, have the system
checked by your Lexus
dealer.
When the light comes on after
blinking for 1 minute:
Malfunction in the tire pres-
sure warning system
(  P. 7 5 1 ) Have the system checked by
your Lexus dealer.Warning light Warning light/Details Correction procedure

5
When trouble arises
7495-2. Steps to take in an emergency
■
If the malfunction indicator lamp comes on while driving
First check the following: ●
Is the fuel tank empty?
If it is, fill the fuel tank immediately.●
Is the fuel tank cap loose?
If it is, tighten it securely.
The lamp will go off after several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon
as possible.■
SRS warning light
This warning light system monitors the airb ag sensor assembly, front airbag sensors,
side and curtain shield airbag sensors, curtain shield and rear side airbag sensors,
door sensors, driver's seat position sensor, driver's seat belt buckle switch, front
passenger occupant classification system (ECU and sensors), “AIR BAG ON” indi-
cator light, “AIR BAG OFF” in dicator light, front pass enger's seat belt buckle
switch, seat belt pretensioner assemblies, inflators, interconnecting wiring and
power sources. (  P. 1 1 9 )■
Front passenger detection sensor, passen ger seat belt reminder and warning
buzzer ●
If luggage is placed on the front passenger seat, the front passenger detection
sensor may cause the warning light to flash and the warning buzzer to sound
even if a passenger is not sitting in the seat.●
If a cushion is placed on the seat, the sensor may not detect a passenger, and the
warning light may not operate properly.■
Electric power steering system warning light (warning buzzer)
When the battery charge becomes insuffic ient or the voltage temporarily drops,
the electric power steering system warn ing light may come on and the warning
buzzer may sound.
■
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire
pressure warning reset switch will not turn off the tire pressure warning light.

5
When trouble arises
7515-2. Steps to take in an emergency
●
If non-genuine Lexus wheels are used (Even if you use Lexus wheels, the tire
pressure warning system may not work properly with some types of tires.)●
If tire chains are used●
Vehicles with a full-size spare tire: If the spare tire is in a location subject to poor
radio wave signal reception●
Vehicles with a full-size spare tire: If a large metallic object which can interfere
with signal reception is pu t in the luggage compartment■
If the tire pressure warning light freque ntly comes on after blinking for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1 minute
when the “ENGINE START STOP” switch is turned to IGNITION ON mode, have
it checked by your Lexus dealer.■
Customization
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features  P. 8 3 4 )
CAUTION■
When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold firmly and
operate using more force than usual.■
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause loss of
vehicle control and result in death or serious injury. ●
Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pres-
sure immediately.●
If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If a tire is flat, change
it with the spare tire and have the flat tire repaired by the nearest Lexus dealer.
●
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could
lose control of the steering wheel or the brakes.
■
If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

7585-2. Steps to take in an emergency
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system;
or,
• The seat belt pretensioner system
Indicates a malfunction in:
• The ABS; or,
• The brake assist system
Indicates a malfunction in the EPS (Electric Power
Steering) system
(If equipped) Indicates a malfunction in the Blind Spot Monitor.Wa r n i n g m e s s a g e Details

7985-2. Steps to take in an emergency
CAUTION■
Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
gas that may be emitted from the battery: ●
Make sure each jumper cable is connecte d to the correct terminal and that it is
not unintentionally in contact with an y other than the intended terminal.●
Do not allow the + and - clamps of the jumper cables to come into contact with
each other.●
Do not smoke, use matches, cigarette lighters or allow open flame near the bat-
tery.■
Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while related parts
contain lead and lead compounds. Observe the following precautions when han-
dling the battery: ●
When working with the battery, always we ar safety glasses and take care not to
allow any battery fluids (acid) to come into contact with skin, clothing or the vehi-
cle body.●
Do not lean over the battery.●
In the event that battery fluid comes into contact with the skin or eyes, immedi-
ately wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medical attention can be
received.●
Always wash your hands after handling the battery support, terminals, and other
battery-related parts.●
Do not allow children near the battery.
NOTICE
■
When handling jumper cables
When connecting the jumper cables, ensure that they do not become entangled in
the cooling fans or belt.

8005-2. Steps to take in an emergency
Add coolant if necessary.
(
 P. 6 7 1 )
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and turn the air conditioning system on to check
that the radiator cooling fans op erate and to check for coolant
leaks from the radiator or hoses. The fans operate when the air conditio ning system is turned on immedi-
ately after a cold start. Confirm that the fans are operating by checking
the fan sound and air flow. If it is diff icult to check these, turn the air con-
ditioning system on and off repeatedly.
(The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the engine immediately and contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer.STEP 5
CAUTION■
To prevent an accident or injury when in specting under the hood of your vehicle●
If steam is seen coming from under the hood, do not open the hood until the
steam has subsided. The engine compartm ent may be very hot, causing serious
injuries such as burns.●
Keep hands and clothing (especially a tie, a scarf or a muffler) away from the fans
and belts. Failure to do so may cause the hands or clothing to be caught, resulting
in serious injury.
●
Do not loosen the radiator cap while the engine and radiator are hot.
Serious injury, such as burns, may resu lt from hot coolant and steam released
under pressure.STEP 6
STEP 7

8086-1. Specifications
Engine
FuelModel 2GR-FE
Ty p e 6-cylinder V type, 4-cycle, gasoline
Bore and stroke 3.70  3.27 in. (94.0  83.0 mm)
Displacement 210.9 cu.in. (3456 cm 3
)
Drive belt tension Automatic adjustment
Fuel type Unleaded gasoline only
Octane rating 87 (Research octane number 91) or higher
Fuel tank capacity
(Reference) 19.2 gal. (72.5 L, 15.9 Imp. gal.)

8256-1. Specifications
6
Vehicle specifications Tire section names
Bead
Sidewall
Shoulder
Tread
Belt
Inner liner
Reinforcing rubber
Carcass
Rim lines
Bead wires
Chafer
Uniform Tire Quality Grading
This information has b een prepared in accorda nce with regulations
issued by the National Highway Traf fic Safety Administration of the U.S.
Department of Transportation.
It provides the purchasers and/or prospective purchasers of Lexus vehi-
cles with information on uniform tire quality grading.
Your Lexus dealer will help answer an y questions you may have as you read
this information.
■ DOT quality grades
All passenger vehicle tires must co nform to Federal Safety Require-
ments in addition to these grades. Quality grades can be found where
applicable on the tire sidewall between tread shoulder and maximum
section width.
For example: Treadwear 200 Traction AA Temperature A

8426-2. Customization
Seat belt reminder ( 
P. 74 7 )
Automatic air conditioning system ( 
P. 345, 353)Interior light control On Off O —
O —
O O
Exterior light control On Off O —
O —
O O
Shift lever lights On Off — — — — —
O
Function Default
setting Custom-
ized
setting
Vehicle speed linked
seat belt reminder
buzzer On Off — — — — —
O
Function Default
setting Custom-
ized
setting
A/C auto switch
operation Auto Manual O —
O — —
O
Exhaust gas sensor
sensitivity Standard -3 to 3 O —
O — —
OFunction Default
setting Custom-
ized
setting

For owners
7
849Reporting safety defects
for U.S. owners..................... 850
Seat belt instructions
for Canadian owners
(in French) .............................. 851
SRS airbag instructions
for Canadian owners
(in French) ............................. 853
Headlight aim instructions
for Canadian owners
(in French) ............................. 863