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SUVs Mazda CX-9 CX-9 & CX-7 - best of both worlds!
8 messages, Last post on Jan 29, 2008 at 8:02 PM
You are in the Mazda CX-9 Forum. Your Hosts are steve_ & tidester
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Replying to: caliche67 (Jan 22, 2008 2:51 pm) Have you explored whether its possible to use the same smart key with both cars? - it seems a pain to have to carry around both keys all the time. I tried to contact Mazda USA about it but they just said naa it cant be done but I don't have any confidence with that answer. Dealer also says no - but again I think the truth is the dealer can't be bothered having to think about it. If the smart key is just some RFID then surely each car can be programmed to recognize the same key? |
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Replying to: doubleornothin (Jan 23, 2008 9:37 am)  (they're somewhat big and hang loose so it's hard to close the lid on the key-case without one of them flipping out!!). Ha ha. But no, honestly, I don't know. Good question, however, I wonder if it can be done because my guess is every car must have some kind of different coding, recognizable only by its own smart key(s), or if not, what would preclude someone with another Smart Key to somehow getting close to the car (if while running or what have you) and program it by proximity so they can steal it. I don't know, sound a bit James Bondish but who knows. I bet McGyver could do it, right?! Also, my CX-9 has the Power Gate Lift, so I wonder if that makes a difference within the Smart Keys codes. On the other hand, my wife mainly drives the CX-9 and I drive the CX-7, so I don't envision me carrying both keys to each car at the same time. What I'm wondering is whether if her and I are carrying each a Smart Key to each car but we're both inside the same car (or if I happen to be carrying the two keys, one to the 7 and one to the 9), if that could cause an issue - in other words, would the system in the car get confused because of the close proximity of the Smart Key that doesn't belong to the car. You know what I mean? The one thing I do know is that the other day we were on the CX-7, went to the movies, I doppred my wife off at the entrance so she didn't have to walk so far and she started walking away with the Smart Key in her purse and the car immediately started signaling and flasing "KEY"!! I thought the car was going to shut off on me right there on the middle of the street. I sounded the horn and signaled her to come back (she was already about 20 feet away). Would that happen? Would the car actually die on you if the key walks away, or does it allow you to finish your trip and once you shut it off you won't be able to restart it until the key is in close proximity. I worry about that because chances are someone can walk away with the key in their pocket (say whomever was driving gets off the car and walks away with the key) and someone else takes the driver seat and bam, the car dies. What do you think? Also, which colors did you get? Another thing I'm kind of ticked off is that the CX-9 Bluetooth does not recognize my current cell phone. What a disappointment. Finally, what would you say is the true purpose of the Smart Key? I said it is for advanced security and keyless technology but my wife contends that is is kind of a pain because you still have to carry it on you (like a regular key) but it is easier to misplace it, forget it, or lose it within their deep and congested purses because you don't really insert it to the ignition switch. How would you describe the true benefit of this Smart Key technology? Thanks!
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Replying to: caliche67 (Jan 23, 2008 2:07 pm) I dont think you car would die on you when your wife leaves with the key, I think from what I have read that the problem is the opposite - you cant turn it off! I understand that there is an autolock feature which if enabled will lock the car under the circumstances that you describe, I expect for safety reasons you could still open it from the inside. Regarding multiple keys. I don't see any reason why they couldn't design the system to work with multiple keys; however it is possible that the Mazda system cant do it. With a "dumb" key that only identifies itself in a fixed way I agree that you run a risk that someone could steal your key code by eavedropping. If this is the system used it should be a cinch to use one key with multiple cars. A more secure key system would have the key respond in a non-fixed way - say by using an internal key (number) to encrypt and respond to the car. I would have thought that even with this type of system you could have one key for multiple cars. The problem I have is that I have tried to contact Mazda USA to ask someone who understands these things if its possible but can't get past their customer service people. I just spent $75k on two mazda's and they can't be bothered - even though I would have thought this to be a *very* useful feature for multi-mazda families. Can anybody else shed some light on the ability to use one smart key for multiple mazdas?
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Replying to: caliche67 (Jan 22, 2008 2:51 pm)
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Replying to: moparbad (Jan 23, 2008 6:16 pm) Just a wrong button hit - thanks for noticing. Fixed now. 
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Replying to: doubleornothin (Jan 23, 2008 2:44 pm)  You can not program the smart keys to work both vehicles... each car has it's own code/dna almost... that's why it's important that if you add or replace keys that you get all available keys programed at the same time.
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Replying to: doubleornothin (Jan 23, 2008 2:44 pm) |
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