Tire size
- Typical tire size information
The illustration indicates typical tire size.

1.Tire use
(P = Passenger car, T = Temporary use)
2. Section width (millimeters)
3. Aspect ratio
(tire height to section width)
4. Tire construction code
(R = Radial, D = Diagonal)
5. Wheel diameter (inches)
6. Load index (2 digits or 3 digits)
7. Speed symbol
(alphabet with one letter)
- Tire dimensions

1. Section width
2. Tire height
3. Wheel diameter
See also:
Map scale
Touch or
to change the scale of the map display.
The scale bar and indicator at the bottom of the screen indicates the map scale
menu. The scale range is 150 feet (50 m) to 250 miles (400 km) ...
Changing other settings
Setting the display mode
Pushing “SIZE” changes the display modes sequentially as follows:
Normal “Wide 1” “Wide 2”
Adjusting the screen
Push “DISPLAY”.
Select the desired b ...
Other settings
Used for changing settings for Lexus Insider and XM Sports and Stocks.
1. Push the “SETUP” button.
2. Touch “Other”.
On this screen, the following functions can be performed.
...
