342 STARTING AND OPERATING
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.
Four Wheel Drive (4x4)
The four wheel drive (4WD) is fully automatic in normal
driving mode.
NOTE: It is not possible to carry out the change of mode
when the car exceeds the speed of 75 mph (120 km/h).
Enabling Four Wheel Drive (4x4)
The buttons for the activation of four wheel drive are
located on the device Selec-Terrain™ and allow you to
select the following:
• 4WD LOCK
• 4WD LOW — (Trailhawk models only)
Active Drive Control — If Equipped
Selec-Terrain™ Switch
The Power Transfer Unit (PTU) is locked to ensure
immediate availability of torque to the rear drive axles.
This feature is selectable in AUTO mode and automatic in
the other driving mode. 4WD LOCK can be enabled by
the following ways: