Nissan encountered the “smartkey” issue with its Juke sporty crossover, and with all the smartkeys in use, and just so many suppliers, it’s certainly is possible across other makes—no one can tell you it can’t happen (and we have heard anecdotal reports on other cars): the customer drove the car into the shop, left the key with you, and now it won’t start. The cause: you have smartkeys from other cars in your pocket, and one is sending a false signal to the vehicle electronics, which “thinks” that maybe someone is trying to start the wrong car, perhaps even a thief.
Many of us have encountered a situation where we think we’ve arrived at our car in a parking lot, and we get into the wrong car (or we can’t get into what we think is our car). But the intelligent key miscommunications on unlocked cars are another matter, and the Juke is an example that says they do happen, as unlikely as some software engineer who’s written the rolling code for one of these keys may think it is.
So hanging up all the keys on a pegboard and taking just the one for the car you’re going to work on should become a work habit (and maybe don’t forget the smartkey for your own car in the process).
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