2016 LEXUS IS250 Owners Manual

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When driving
Selecting snow chains
Snow chains can be mounted on 16- and 17-inch tires. They cannot be
mounted on 18-inch tires. Use the correct snow chain size when mount-
ing the snow chains. Chain size is regulated for each tire sizes.
Side chain
(0.12 in. [3 mm] in diameter)
Cross chain
(0.16 in. [4 mm] in diameter)
Regulations on the use of snow chains
lRegulations regarding the use of tire chains vary according to location
and type of road. Always check local regulations before installing
chains.
lInstall the chains on the rear tires.
lRetighten the chains after driving 1 /4 ⎯ 1 /2 mile (0.5 ⎯ 1.0 km).
nWhen driving the vehicle
Accelerate the vehicle slowly and drive at a reduced speed suitable
to road conditions.
nWhen parking the vehicle
Park the vehicle and move the shift lever to P (automatic transmis-
sion) or R (manual transmission) without setting the parking brake.
The parking brake may freeze up, preventing it from being released.

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nSnow chain installation
Observe the following precautions when installing and removing chains.
lInstall and remove tire chains in a safe location.
lInstall tire chains on the rear tires only. Do not install tire chains on front tires.
lInstall the tire chains on rear tires as tightly as possible. Retighten chains after
driving 1 /4 - 1 /2 mile (0.5 - 1.0 km).
lInstall tire chains following the instructions provided in the accompanying
instructions.
CAUTION
nDriving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failing to do so may result in a loss of vehicle control and cause death or serious
injury.
lUse tires of the size specified for your vehicle.
lMaintain the recommended level of air pressure.
lDo not drive in excess of 75 mph (120 km/h), regardless of the type of snow tires
being used.
lUse snow tires on all, not just some wheels.
nDriving with snow chains
Observe the following precautions to reduce the risk of accidents.
Failing to do so may result in the vehicle being unable to be driven safely, and may
cause death or serious injury.
lDo not drive in excess of the speed limit specified for the tire chains being used,
or 30 mph (50 km/h), whichever is lower.
lAvoid driving on bumpy road surfaces or over potholes.
lAvoid sudden turns and braking, as use of chains may adversely affect vehicle
handling.
lSlow down sufficiently before entering a curve to ensure that vehicle control is
maintained.

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When driving
NOTICE
nRepairing or replacing snow tires
Request repairs of and obtain replacement snow tires from Lexus dealers or legiti-
mate tire retailers.
This is because the removal and attachment of snow tires affects the operation of
the tire air pressure sensor.
nFitting tire chains
The tire air pressure sensor may not function correctly when tire chains are fitted.

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2-5. Driving information
Trailer towing
Lexus does not recommend towing a trailer with your vehicle. Lexus also
does not recommend the installation of a tow hitch or the use of a tow hitch
carrier for a wheelchair, scooter, bicycle, etc. Your Lexus is not designed
for trailer towing or for the use of tow hitch mounted carriers.

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When driving Dinghy towing (vehicles with an automatic transmission)
NOTICE
nTo avoid serious damage to your vehicle
Do not tow your vehicle with four wheels on the ground.
Your vehicle is not designed to be dinghy towed (with 4 wheels on the
ground) behind a motor home.

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Dinghy towing (vehicles with a manual transmission)
Towing your vehicle with 4 wheels on the ground
To prevent damage to your vehicle, perform the following procedures
before towing.
Shift the shift lever to neutral.
Switch to ACCESSORY mode. (→P. 1 2 8 )
Ensure that the audio system and other powered devices have been
turned off.
Release the parking brake.
After towing, leave the engine in idle for at least 3 minutes before driv-
ing the vehicle.
nNecessary equipment and accessories
Specialized equipment and accessories are required for dinghy towing. Contact
the service branch of the motor home manufacturer regarding recommended
equipment.
Your vehicle can be dinghy towed in a forward direction (with 4 wheels on
the ground) behind a motor home.
STEP1
STEP2
STEP3

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When driving
NOTICE
nDinghy towing direction
nTo prevent the steering from locking
Ensure the “ENGINE START STOP” switch is in ACCESSORY mode.
Do not tow the vehicle backwards.
Doing so may cause serious damage.

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