Yes, it is a shift on the fly system.
NO !
All that you do if put the shifter in the four wheel drive position.
The original Cherokee, 2001 and older, was rear wheel drive or four wheel drive. The latest Cherokee, 2014 and up, is front wheel drive or all wheel drive.
The original Cherokee, 2001 and older, was rear wheel drive or four wheel drive. The latest Cherokee, 2014 and up, is front wheel drive or all wheel drive.
The 2014 Jeep Cherokee has front wheel drive.
The 2001 Jeep Cherokee has rear wheel drive.
A Grand Cherokee is either rear wheel drive or four wheel/all wheel drive.
The 2014 Jeep Grand-Cherokee has rear wheel drive.
The 2004 Jeep Grand-Cherokee has rear wheel drive.
The 2009 Jeep Grand-Cherokee has rear wheel drive.
The 2013 Jeep Grand-Cherokee has rear wheel drive.
The 2008 Jeep Grand-Cherokee has rear wheel drive.