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How Four-Wheel Drive Works. Four-wheel drive systems are part-time setups intended only for use off-road or on extremely slippery surfaces. Vehicles with these setups require the driver physically ...

This is why four-wheel drive vehicles have a 4-hi and 4-lo selector, which refers to the high and low gear ranges. Four-wheel drive can also decouple the front axle completely in the 2-hi ...

The difference between all-wheel-drive (AWD) and four-wheel-drive (4WD) is a topic of confusion for many car, truck, and SUV buyers. A car buyer should understand the operational differences between ...