Your Car Is a Computer — But What Does It Do?

Since the mid-19th century, modern vehicles have featured some manner of electronics to help control a vehicle’s various internal mechanisms. Today’s vehicles feature a variety of internal computer units — from around 50 units in your average Ford Focus to over 100 in the newest top-of-the-line sports car.

Your car’s computer can do a lot — but it’s no Transformer. Modern vehicle computers control everything from the spark plugs and automatic transmission to the newest climate control features designed to keep you cool when you’re driving around West Valley City, Utah.

As vehicles become more connected, the small colony of microprocessors inside your car expands — but what would happen if these essential electronic were to fail? Let’s take a look.

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