7
7
Based on the year and model of your Jeep, you may have the option
to modify various features using the Flashcal device. This section
provides a brief explanation on what these functions are, and how
they are used.
•
Tire Size
- may be used to improve the accuracy of the vehicle’s
speedometer by compensating for non-stock tire sizes.
To adjust the Tire Size:
1. Click the
Tire Size
option from the
Vehicle Functions
Menu.
2. Using the left/right arrows, adjust the slide until the correct tire
diameter is displayed.
3. Press
OK
.
•
Axle Ratio
- is used to improve your Jeep’s 2WD shift points by
modifying the axle gear ratio.
To adjust the Axle Ratio:
1. Click the
Axle Ratio
option from the
Vehicle Functions
Menu.
2. Using the left/right arrows to adjust
the slide.
3. Press
OK
.
Helpful Hints
Ignition switch positions
Vehicle Functions
Tire Size
Measure from the
ground to the top of
your tire. Place a ruler
or flat level item on
the top of your tire to
measure accurately.
Measure in ¼ inch in-
crements rounding up.
Based on the year and model of your Jeep, you may have the option
to modify various features using the Flashcal device. This section
provides a brief explanation on what these functions are, and how
they are used.
•
Tire Size
- may be used to improve the accuracy of the vehicle’s
speedometer by compensating for non-stock tire sizes.
To adjust the Tire Size:
1. Click the
Tire Size
option from the
Vehicle Functions
Menu.
2. Using the left/right arrows, adjust the slide until the correct tire
diameter is displayed.
3. Press
OK
.
•
Axle Ratio
- is used to improve your Jeep’s 2WD shift points by
modifying the axle gear ratio.
To adjust the Axle Ratio:
1. Click the
Axle Ratio
option from the
Vehicle Functions
Menu.
2. Using the left/right arrows to adjust
the slide.
3. Press
OK
.
Helpful Hints
Ignition switch positions
Vehicle Functions
Tire Size
Measure from the
ground to the top of
your tire. Place a ruler
or flat level item on
the top of your tire to
measure accurately.
Measure in ¼ inch in-
crements rounding up.
