Six ways Knight Rider predicted the future
There can perhaps be no greater honour for sci-fi writers than to create worlds that they eventually see come true.
For Knight Rider creator Glen Larson, who has died aged 77, he will have at least seen some, if sadly not all, of his imaginations become reality.
The show's tagline, uttered over that irresistible theme tune, declares the show "a shadowy flight into the dangerous world of a man who does not exist".
Like David Hasselhoff's Michael Knight character, much of the technology found under the bonnet of Knight Industries Two Thousand - Knight's car, known simply as Kitt - didn't exist.
At least, not in 1982.
Here are some of the most memorable - many of which are found in many cars on the road today.
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