Increasingly, many cars have wireless connections, for infotainment and communications; and some automakers already use wireless connections to add software to their cars at the factory. Even so, it will take some time for major automakers to implement over-the-air updates, both because they’re worried about security and because they might face resistance from dealers.
Software is rapidly taking over not only the entertainment console in cars, but also basic functions such as steering, braking, and acceleration, as more cars come with features such as adaptive cruise control and automated parallel parking. This can make it easier to diagnose and fix problems, but it also increases the risk for software bugs or even malicious attacks that might cause serious injury.
Software-focused recalls are becoming common. In Toyota’s case, its software updates were designed to fix a computer problem that could disable antilock braking and other safety systems, or cause the hybrid propulsion system on its Prius vehicles to shut down. Last month, GM recalled 370,000 trucks at risk of overheating and catching fire, a problem it’s solving with a dealer-installed software patch.
In addition to potentially improving safety by delivering fixes faster, remote updates could save automakers money.
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