Differential lock is a feature in vehicles that basically means locking the wheels together, so they all turn at the same speed. It helps provide better traction and control, especially in off-road or slippery conditions. Full definition
It brings an electronic differential lock with four modes — for dry roads, mud, snow and sand — as well as raised suspension and mud and snow tyres. (autoexpress.co.uk)
At high speeds and when accelerating out of corners, the electronically controlled rear differential lock with fully variable torque distribution also acts to provide greater driving stability and traction. (porsche.com)
Other features worthy of being mentioned include electronic power steering, on - the - fly 2 / 4WD with electronic front differential lock, a 300 - lb. (topspeed.com)