The Tigershark 2.4-liter four-cylinder in the 200 and the 3.2-liter Pentastar V6 in the Cherokee are getting a slight boost later this year thanks to the addition of Chrysler's Engine Stop-Start ...

The Auto Stop/Start feature isn’t a Jeep Grand Cherokee exclusive, however. Car manufacturers such as Acura, Cadillac, and Chevrolet also utilize the same system.

The “A” button in question she’s referring to is the auto start-stop feature which cuts a car’s engine off when it’s stopped and left idling for too long.