Jeep CHEROKEE 2016 Owner's Manual page 507

automatically to the rear wheels. The greater the front
wheel traction loss, the greater the power transfer to the
rear wheels.
1-Speed 4X4 Switch
Additionally, on dry pavement under heavy throttle
input (where one may have no wheel spin), torque will be
sent to the rear in a pre-emptive effort to improve vehicle
launch and performance characteristics.
CAUTION!
All wheels must have the same size and type tires.
Unequal tire sizes must not be used. Unequal tire
size may cause failure of the power transfer unit.
STARTING AND OPERATING 505
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