Lexus IS250 2009, Service Manual

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2-5. Driving information
2
When drivin
g
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
l
Regulations regarding the use of tire chains vary according to location
and type of road. Always check local regulations before installing
chains.
l
Install the chains on the rear tires.
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Retighten the chains after driving 1/4
⎯
1/2 mile (0.5
⎯
1.0 km).
n
When driving the vehicle
Accelerate the vehicle slowly and drive at a reduced speed suitable
to road conditions.
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When 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.