Trailer towing (2WD models and AWD models without towing package)
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 vehicle is not designed for trailer towing or for the use of tow hitch mounted carriers.

See also:
Lexus IS: The Details
For 2011, the Lexus IS gets a minor facelift that updates the car’s exterior,
interior, adds a new F Sport package and brings a first for the IS lineup: an
all-wheel drive IS 350. With AWD competi ...
Current Lexus IS 250
Lexus sells the IS 250 in a single trim level, with either rear-wheel drive
or all-wheel drive. For power, the 250 comes with a 2.5-liter V6 rated for 204
horsepower and 185 pound-feet of torque. ...
Fuel pump shut off system
To minimize the risk of fuel leakage when the engine stalls or an airbag
inflates upon collision, the fuel pump shut off system stops supplying fuel to
the engine.
Follow the procedure below to res ...
