Honda Accord: Tire Labeling
The tires that came on your vehicle have a number of markings. Those you should be aware of are described below.

Tire Size
Whenever tires are replaced, they should be replaced with tires of the same size. Following is an example of tire size with an explanation of what each component means.
P235/45R18 94V
P - Vehicle type (P indicates passenger vehicle).
235 - Tire width in millimeters.
45 - Aspect ratio (the tire’s section height as a percentage of its width).
R - Tire construction code (R indicates radial).
18 - Rim diameter in inches.
94 - Load index (a numerical code associated with the maximum load the tire can carry).
V - Speed symbol (an alphabetical code indicating the maximum speed rating).
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
Glossary of Tire Terminology
Cold Tire Pressure - The tire air pressure when the vehicle has been parked for at least three hours or driven less than 1 mile (1.6 km).
Load Rating - Means the maximum load that a tire is rated to carry for a given inflation pressure.
Maximum Inflation Pressure - The maximum tire air pressure that the tire can hold.
Maximum Load Rating - Means the load rating for a tire at the maximum permissible inflation pressure for that tire.
Recommended Inflation Pressure - The cold tire inflation pressure recommended by the manufacturer.
Treadwear Indicators (TWI) - Means the projections within the principal grooves designed to give a visual indication of the degrees of wear of the tread.
DOT Tire Quality Grading (U.S. Vehicles)
The tires on your vehicle meet all
U.S. Federal Safety Requirements.
All tires are also graded for
treadwear, traction, and temperature
performance according to
Department of Transportation
...
Tire Pressure Monitoring System (TPMS) - Required Federal Explanation
Each tire, including the spare (if
provided), should be checked
monthly when cold and inflated to
the inflation pressure recommended
by the vehicle manufacturer on the
vehicle placard or tir ...
See also:
Adding Engine Oil
Unscrew and remove the engine oil
fill cap on top of the valve cover.
Pour in the oil slowly and carefully so
you do not spill any. Clean up any
spills immediately. Spilled oil could
damage ...
Operating the XM Radio
To listen to XM Radio, turn the
ignition switch to the ACCESSORY
(I) or ON (II) position, and press the
button. The last channel you
listened to will show in the audio
screen and the cent ...
ECM/PCM Idle Learn Procedure
The idle learn procedure must be done so the ECM/PCM
can learn the engine idle characteristics.
Do the idle learn procedure whenever you do any of
these actions:
- Replace ECM/PCM.
...