It's a really nice circuit to drive - there are a lot of technical corners, where braking stability is important.

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This system can do neat things like toe both rear wheels in, slightly, under hard braking, to improve stability.

WSJ: 2014 Acura RLX Review: Larger, but It Still Comes Up Small | Rumble Seat by Dan Neil

The stability control and antilock braking systems kept wheels with no traction from spinning pointlessly.

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If the car begins to oversteer or understeer, the system applies braking on individual wheels to restore stability.

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Combined with standard stability control that uses the antilock braking system to keep the car headed in the direction you're steering, we found the W8 unstoppable, even during a near-whiteout snowstorm that had a lot of SUV drivers skidding all over the road.

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Meanwhile, there's some code in the stability-control system dubbed Agile Handling Assist, through which the car, actively braking one of more wheels, helps drivers hold their line with smaller steering inputs.

WSJ: 2014 Acura RLX Review: Larger, but It Still Comes Up Small | Rumble Seat by Dan Neil