Honda 2008 Ridgeline Owner's Manual page 315

Tire Identification Number (TIN)
The tire identification number (TIN)
is a group of numbers and letters
that look like the following example.
TIN is located on the sidewall of the
tire.
DOT B97R FW6X 2202
DOT This indicates that the tire
meets all requirements of
the U.S. Department of
Transportation.
B97R Manufacturer's
identification mark.
FW6X Tire type code.
2202 Date of manufacture.
Year
Week
Maximum Tire Pressure
Max Press The maximum air
pressure the tire can
hold.
Maximum Tire Load
Max Load The maximum load the
tire can carry at
maximum air pressure.
Tire Labeling
309