60273. 4WD Lo - Its truely for crawling. Or pulling aspens out of the ground its a low gear that allows to to basically idle up a mountain, and not meant for any form of road use. 4WD Full-Time - The differentials are locked and all four wheels spin. You get extra traction, and this TC position is road safe, and is suggested for everyday use Here are some of the highlights to look out for when searching the want ads for your luxo-wagon. The '93-'98 ZJ and '99-'04 WJ both retain Jeep's tried-and-true 4.0L engine as the base-model The 2009 Grand Cherokee comes in a variety of trim levels with different levels of fuel efficiency. On the low end is the SRT8 Sport Utility 4D which gets 12 MPG, with 11 MPG in the city and 14 Both All-Wheel Drive (AWD) and 4-Wheel Drive (4WD) systems are built to provide better traction and maneuverability to a vehicle in all-weather conditions. However AWD are primarily built for on road use with the capability for light off-roading , whereas 4x4 systems have the capability of handling more serious off-roading. You can shift between 2WD, ft 4WD and pt 4WD at any speed back and forth while driving (since the Grand Cherokee does not have manual or automatic hubs you can always "shift on the fly"). There is no advantage in stopping. In order to shift into part time 4WD Low you must be at a standstill - tranny in neutral of course. 3 days ago · EPA 24 MPG Hwy/17 MPG City! Moonroof Heated Leather Seats Remote Engine Start iPod/MP3 Input Back-Up Camera Heated Rear Seat Dual Zone A/C Power Liftgate Hitch WHEELS: 20 X 8.0 ALUMINUM TRAILER TOW GROUP IV READ MORE! Jeep Selec-Trac is a full-time four-wheel drive system that was introduced in the 1980s. It is an electronic shift-on-the-fly system that allows the driver to switch between two and four-wheel drive while driving. The Selec-Trac system uses a sensor to detect when one of the driven wheels is slipping and sends power to the other wheels to 2021 Jeep Grand Cherokee Laredo X 4dr SUV 4WD (3.6L 6cyl 8A) 96 of 100 people found this review helpful I just bought a brand new 2021 Jeep Gand Cherokee about a month ago and have experienced See post above. I edited it. FWIW, none of the WK2 Grand Cherokees have a 4wd button in the sense that you may be imagining. Unless it's a RWD version, all of them (regardless of equipment) are all-time 4wd. No buttons to engage that. The button you are probably referring to is the SelecTrac dial on the center console below the shifter. Brake Assist. Electronic Stability Control. Daytime Running Lights. Child Safety Locks. Front Tow Hooks (Optional) Traction Control. Advertisement. Advertisement. View detailed specs, features and options for the 2015 Jeep Grand Cherokee 4WD 4dr Laredo at U.S. News & World Report. 0P67ad.