See also:

Materials Added To Engine Oils
Do not add any supplemental materials, other than leak detection dyes, to your engine oil. Engine oil is an engineered product and its performance may be impaired by supplemental additives. ...

High Range (Four-Wheel Drive Models) Or Two-Wheel Drive Models
On This is the normal operating mode for ESC in 4WD HIGH range and in two-wheel drive vehicles. Whenever the vehicle is started or the transfer case (if equipped) is shifted from 4WD LOW range ...

Jeep Grand Cherokee review
The following is a true story: While trying to access the lower Latch anchors in the 2011 Jeep Grand Cherokee, my favorite sunglasses fell off my head and onto the ground; in the heat of my effort ...