276
2-4. Using other driving systems
RX350/270_EE
CAUTION
■When the VSC is activated
The slip indicator light flashes. Always drive carefully. Reckless driving may cause
an accident, resulting in death or serious injury. Exercise particular care when the
indicator light flashes.
■When the TRC/VSC systems are turned off
Be especially careful and drive at a speed appropriate to the road conditions. As
these are the systems to help ensure vehicle stability and driving force, do not turn
the TRC/VSC systems off unless necessary.
■Replacing tires
Make sure that all tires are of the same size, brand, tread pattern and total load
capacity. In addition, make sure that the tires are inflated to the recommended tire
inflation pressure level.
The ABS and VSC systems will not function correctly if different tires are installed
on the vehicle.
Contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional, for further information when replacing tires or wheels.
■Handling of tires and suspension
Using tires with any kind of problem or modifying the suspension will affect the driv-
ing assist systems, and may cause a system malfunction.
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293
2-5. Driving information
2
When driving
RX350/270_EE
Cargo and luggage
CAUTION
■Things that must not be carried in the luggage compartment
The following things may cause a fire if loaded in the luggage compartment:
●Receptacles containing gasoline
●Aerosol cans
Take notice of the following information about storage precautions, cargo
capacity and load:
●Stow cargo and luggage in the luggage compartment whenever
possible.
●Be sure all items are secured in place.
●Be careful to keep the vehicle level. Placing the weight as far for-
ward as possible helps maintain vehicle balance.
●For better fuel economy, do not carry unnecessary weight.
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300
2-5. Driving information
RX350/270_EE
Trailer towing (RX350)
The strain of towing a trailer will have a negative impact on the running per-
formance, handling, fuel consumption and endurance of your vehicle. Use
the vehicle features in the correct manner and operate the vehicle with
care for safer driving and optimal comfort. Damage and/or malfunctions
that occur as a result of towing performed for commercial purposes are
not covered by the Lexus warranty.
Ask your local authorized Lexus dealer or repairer, or another duly quali-
fied and equipped professional for further details before towing, as there
are additional legal requirements in some countries.
■Weight limits
Check the allowable towing capacity, GVM (Gross Vehicle Mass),
MPAC (Maximum Permissible Axle Capacity), and permissible
drawbar load before towing. (→P. 606)
■Towing hitch/bracket
Lexus recommends the use of the Lexus hitch/bracket for your
vehicle. Other products of a suitable nature and comparable quality
may also be used.
■To prevent an accident
The handling of the vehicle will feel different when towing a trailer.
Beware of the 3 most common causes of towing-related accidents:
driver error, excessive speed, and overloading.
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301
2-5. Driving information
2
When driving
RX350/270_EE
Important points regarding trailer loads
■Total trailer weight and permissible drawbar load
Total trailer weight
Weight of the trailer itself plus the
trailer load should be within the
maximum towing capacity.
Exceeding this weight is danger-
ous.
(→P. 6 0 6 )
When towing a trailer, use a friction
coupler or friction stabilizer (sway
control device).
When the total trailer weight is
greater than the vehicle weight, we
recommended the use of a friction
stabilizer (sway control device).
Permissible drawbar load
Allocate the trailer load so that the
drawbar load is greater than 25 kg
(55.1 lb.) or 4% of the towing
capacity. Do not let the drawbar
load exceed the indicated weight.
(→P. 6 0 6 )
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302
2-5. Driving information
RX350/270_EE■Information tag (manufacturer’s label)
Type A
Gross vehicle mass
Maximum permissible rear axle
capacity
Type B
Gross vehicle mass
Maximum permissible rear axle
capacity
■Gross vehicle mass
The combined weight of the driver, passengers, luggage, towing hitch,
total curb mass and drawbar load should not exceed the gross vehicle
mass by more than 100 kg (220.5 lb.). Exceeding this weight is dan-
gerous.
■Maximum permissible rear axle capacity
The weight borne by the rear axle should not exceed the maximum
permissible axle capacity by 15% or more. Exceeding this weight is
dangerous.
The values for towing capacity were derived from testing conducted at
sea level. Take note that engine output and towing capacity will be
reduced at high altitudes.
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306
2-5. Driving information
RX350/270_EE
■Tire info rmat ion
●Ensure that your vehicle’s tires are properly inflated. Adjust the tire pressure to
the recommended pressure. (→P. 6 1 7 )
●Increase the air pressure of the trailer tires in accordance with the total trailer
weight and according to the values recommended by the manufacturer of your
trailer.
■Trailer lights
●Check that the turn signal lights and stoplights are operating correctly every
time you hitch up the trailer. Directly wiring up to your vehicle may damage the
electrical system and stop the lights from functioning correctly.
●Please consult at any authorized dealer or repairer, or another duly qualified
and equipped professional when installing trailer lights, as incorrect installation
may cause damage to the vehicle’s lights. Please take care to comply with your
state’s laws when installing trailer lights.
■Break-in schedule
Lexus recommends that vehicles fitted with new power train components should
not be used for towing trailers for the first 800 km (500 miles).
■Safety checks before towing
●Check that the maximum load limit for the towing hitch/bracket hitch ball is not
exceeded. Bear in mind that the coupling weight of the trailer will add to the
load exerted on the vehicle. Also make sure that you will not be towing a load
that exceeds the maximum permissible axle capacity.
●Ensure that the trailer load is secure.
●Supplementary outside rear view mirrors should be added to the vehicle if the
traffic behind cannot be clearly seen with standard mirrors. Adjust the extend-
ing arms of these mirrors on both sides of the vehicle so that they always provide
maximum visibility of the road behind.
■Maintenance
●Maintenance must be performed more frequently when using the vehicle for
towing due to the greater weight burden placed on the vehicle compared to
normal driving.
●Retighten all bolts securing the hitching ball and bracket after towing for
approximately 1000 km (600 miles).
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497
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
Wheels
If a wheel is bent, cracked or heavily corroded, it should be replaced.
Otherwise, the tire may separate from the wheel or cause a loss of han-
dling control.
■Wheel selection
When replacing wheels, care should be taken to ensure that they
are equivalent to those removed in load capacity, diameter, rim
width, and inset
*.
Replacement wheels are available at any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
*: Conventionally referred to as “offset”.
Lexus does not recommend using the following:
●Wheels of different sizes or types
●Used wheels
●Bent wheels that have been straightened
■Aluminum wheel precautions
●Use only Lexus wheel nuts and wrenches designed for use with
your aluminum wheels.
●When rotating, repairing or changing your tires, check that the
wheel nuts are still tight after driving 1600 km (1000 miles).
●Be careful not to damage the aluminum wheels when using tire
chains.
●Use only Lexus genuine balance weights or equivalent and a
plastic or rubber hammer when balancing your wheels.
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606
RX350/270_EE
6-1. Specifications
Maintenance data (fuel, oil level, etc.)
Dimensions and weights
*1: Unladen vehicles
*2: Vehicles without panoramic roof and roof rails
*3: Vehicles with panoramic roof
*4: Vehicles with roof rails and electronically modulated air suspension
*5: Vehicles with roof rails but without electronically modulated air suspension
*6: RX350 only
Overall length4770 mm (187.8 in.)
Overall width1885 mm (74.2 in.)
Overall height*1
1685 mm (66.3 in.)*2
1690 mm (66.5 in.)*3
1720 mm (67.7 in.)*4
1725 mm (67.9 in.)*5
Wheelbase2740 mm (107.9 in.)
Tr e a dFront1630 mm (64.1 in.)
Rear1625 mm (64.0 in.)
Gross vehicle mass
RX270
2410 kg (5313 lb.)
RX350
2545 kg (5611 lb.)
Maxi-
mum per-
missible
axle
capacityFront1490 kg (3285 lb.)
Rear1490 kg (3285 lb.)
Drawbar load*680 kg (176 lb.)
To w i n g
capac-
ity
*6
Wi th b rake2000 kg (4409 lb.)
Without brake750 kg (1653 lb.)
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