Jeep Wrangler: Tires — General Information / Tread Wear Indicators
Tread wear indicators are in the original
equipment tires to help you in determining
when your tires should be replaced.

Tire Tread
- Worn Tire
- New Tire
These indicators are molded into the bottom of
the tread grooves. They will appear as bands
when the tread depth becomes a 1/16 of an
inch (1.6 mm). When the tread is worn to the
tread wear indicators, the tire should be
replaced.
When stuck in mud, sand, snow, or ice
conditions, do not spin your vehicle's wheels
above 30 mph (48 km/h) or for longer than
30 seconds continuously without stopping...
The service life of a tire is dependent upon
varying factors including, but not limited to:
Driving style.
Tire pressure - Improper cold tire inflation
pressures can cause uneven wear patterns
to develop across the tire tread...
Other information:
Remove both front panels.
Open both front doors.
Using the provided #50 Torx head driver
and ratchet, remove the two Torx head
screws that secure the hard top at the
B-pillar (near the top of the front doors).
Step Three
Remove the six Torx head screws that
secure the hard top to the vehicle (along the
interior bodyside — three screws on each
side) using the #50 Torx head driver...
The DEF gauge (located on the instrument
cluster display) will display the level of DEF
remaining in the tank.
NOTE:
Driving conditions (altitude, vehicle speed, load,
etc.) will affect the amount of DEF that is used
in your vehicle.
DEF Fill Procedure
NOTE:
For the correct DEF fluid type...