I'm generally curious about limited-slip differential systems. How does an electronic limited-slip differential improve traction in corners or on slippery surfaces? What are the key differences between it and a mechanical limited-slip differential? Do these systems intervene only in extreme situations or are they constantly active?
How does an electronic differential lock provide benefits?
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The electronic differential locks a wheel when it detects that the other is losing traction, redirecting power to the axle with better grip. Mechanically, it only locks under extreme imbalance (like a manual locking differential), while the electronic version acts in milliseconds even during gentle maneuvers. In critical conditions, such as skids, it intervenes quickly but isn’t a permanent system—it only activates when the traction control system deems it necessary.