Acura 2011 RDX Owner's Manual page 452

Tires
Installing improper tires on your
vehicle can affect handling and
stability. This can cause a crash
in which you can be seriously
hurt or killed.
Always use the size and type of
tires recommended in this
owner's manual.
448
Wheel and Tire Specifications
Wheels:
18 x 7 1/2J (TPMS)
Tires:
P235/55R18 99V
See page 482 for information about
DOT Tire Quality Grading, and page
484 for tire size and labeling
information.
2011 RDX
Winter Driving
Tires marked ''M ＋ S'' or ''All
Season'' on the sidewall have an all-
weather tread design suitable for
most winter driving conditions.
For the best performance in snowy
or icy conditions, you should install
snow tires or tire chains. They may
be required by local laws under
certain conditions.
Snow Tires
If you mount snow tires on your
vehicle, make sure they are radial
tires of the same size and load range
as the original tires. Mount snow
tires on all four wheels. The traction
provided by snow tires on dry roads
may be lower than your original tires.
Check with the tire dealer for
maximum speed recommendations.