https://www.reddit.com/r/Shortages/comments/ps8vsn/potential_u_joint_shortage_an_addition_to_the/
I've been paying particularly close attention to shortages along these lines. The chips and special parts going into our logistics system are at the root of making everything it transports possible. We don't even have the fancy AI trucks yet and yet the US runs on a network of semis and fleet trucks that are rapidly running out of replacement parts. The breakdowns in repair/production capacity are so scattershot that there's no telling what the transport delay will impact next. Those chips compete for production space with every other kind of vehicular computer system, let alone other kinds of chips a micorprocessor plant could retool to make.
This post brought to you by Train Gang - More boxes on fewer vehicles needing fewer parts
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There are a lot of sensors that can detect potential issues like the ones responsible for the infamous "check engine light" and other things like tire sensors which make you less likely to have a tire burst that results in a wreck.
They also monitor a lot more technical stuff like the crank to make sure that things aren't out of sync etc.