Page 184 of 588

1844-1. Before driving
IS250_EE(OM53C51E)
◆We i g h t l i m i t s
Check the allowable towing capacity, GVM (Gross Vehicle Mass), MPAC
(Maximum Permissible Axle Capacity), and permissible draw bar load before
towing. (→P. 5 3 8 )
◆To w i n g h i t c h / b r a c k e t
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, exces-
sive speed, and overloading.
Trailer towing (vehicles with a towing package)
The strain of towing a trailer will have a negative impact on the running perfor-
mance, 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 qualified
and equipped professional for further details before towing, as there are addi-
tional legal requirements in some countries.
Page 185 of 588

1854-1. Before driving
4
Driving
IS250_EE(OM53C51E)
■Total trailer weight and permissible drawbar load
Total trailer weight
Weight of the trailer itself plus the
trailer load should be within the max-
imum towing capacity. Exceeding
this weight is dangerous. (→P. 5 3 8 )
When the total trailer weight is
greater than the vehicle weight, we
recommend the use of a friction sta-
bilizer (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. 5 3 8 )
■Information tag (manufacturer’s label)
Gross vehicle mass
The combined weight of the driver, passengers, 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 dangerous.
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.
Important points regarding trailer loads
1
2
XTy p e A XTy p e B
1
2
Page 186 of 588
1864-1. Before driving
IS250_EE(OM53C51E)
CAUTION
■When the gross vehicle mass limit or maximum permissible axle capacity is exceeded
Do not exceed the established speed limit for towing a trailer in built-up areas or 100
km/h (62 mph), whichever is the lower.
Page 188 of 588

1884-1. Before driving
IS250_EE(OM53C51E)
■Tire information
●Increase the tire inflation pressure to 20.0 kPa (0.2 kgf/cm2 or bar, 3 psi) greater than
the recommended value when towing. (→P. 5 4 6 )
●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.
■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 extending 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).
NOTICE
■When the rear bumper strengthening material is aluminum
Ensure the steel bracket part does not come directly in contact with that area.
When steel and aluminum come into contact, there is a reaction similar to corrosion,
which will weaken the section concerned and may result in damage. Apply a rust inhib-
itor to parts that will come in contact when attaching a steel bracket.
Page 538 of 588
538
IS250_EE(OM53C51E)9-1. Specifications
*1:Unladen vehicle
*2: Vehicles with 255/35R18 tires
*3: Vehicles with a towing package
Maintenance data (fuel, oil level, etc.)
Dimensions and weights
Overall length 4665 mm (183.7 in.)
Overall width 1810 mm (71.3 in.)
Overall height*11430 mm (56.3 in.)
Wheelbase 2800 mm (110.2 in.)
Tr e a d*1Front 1535 mm (60.4 in.)
Rear1550 mm (61.0 in.)
1540 mm (60.6 in.)*2
Gross vehicle mass*32090 kg (4608 lb.)
Maximum permissi-
ble axle capacity
*3
Front 1090 kg (2403 lb.)
Rear 1200 kg (2646 lb.)
Drawbar load*375 kg (165 lb.)
Towing capacity*3With brake 1500 kg (3307 lb.)
Witho ut brake 750 kg (1653 lb.)
Page 584 of 588

584Alphabetical index
IS250_EE(OM53C51E)
Tire pressure warning system .........428
Function ..................................................428
Initializing................................................428
Installing tire pressure warning
valves and transmitters................428
Registering ID codes ....................... 429
Tire pressure warning reset
switch.................................................... 429
Warning light ....................................... 478
Tires ............................................................ 427
Chains .....................................................289
Checking ............................................... 427
Emergency tire puncture
repair kit ..............................................507
If you have a flat tire ............. 496, 507
Inflation pressure................................546
Replacing ...............................................496
Rotating tires ........................................ 427
Size............................................................546
Snow tires ..............................................290
Spare tire................................................496
Tire pressure warning system ..... 428
Warning light ....................................... 478Tools............................................... 497, 508
Top strap ......................................................72
Towing ...................................................... 468
Emergency towing ........................... 468
Towing capacity................................. 538
Towing eyelet ........................................ 471
Trailer towing ........................................ 184
Traction Control (TRC) ..................... 265
Trailer towing .......................................... 184
Transmission............................................. 197
Automatic transmission.................... 197
Driving mode select switch.......... 263
If the shift lever cannot be
shifted from P................................... 523
M mode.................................................. 200
Paddle shift switches.......................... 199
TRC (Traction Control) ..................... 265
Trip meters ................................................. 95