Recently bought a 2010 Mazda3 GT. I saw in the owner's manual that the option to have the Smart Turn enabled (one tap on the turn signal stalk gives 3 flashes of the signal) was something the dealer had to do via whatever computer they have in the shop.
Took the car to Budd's for an alignment (I had replaced the d/s LCA to pass safety) and asked them about activating this feature. They said they'd heard of it, but couldn't recall every having done, but they'd give it a try. When I picked the car up, I was told "The computer software (the dealer computer, not the car computer) had been updated many times since 2010 and they weren't able to activate the Smart Turn."
I found this odd, because I would have thought it was the software in the car that would just need to be told to turn it on or off and the version of the dealer software shouldn't matter. At least they didn't charge me.
Anyway, some research revealed Forscan software would allow me to make changes via my laptop (or Android, iOS etc.). I downloaded the software and bought the Forscan recommended cable.
I now have Smart Turn enabled. It's a sad state of affairs when I can do at home with free software and a not free cable what the dealer couldn't.
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