Join Date: Jul 2015
Location: fort worth,tx
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the instructions for this are in the manual, I read that over thoroughly as I did not want this happening to me. the manual states to take the key out of the fob and insert it into the hole in the steering column, this will allow you to use the push button start, you then use the push button and start as normal. so basically if your fob dies you take the key out, you can unlock the doors with it then the key hole to start it is under a cover (mine is AWOL, since I bought the car it was gone)
so I figured after reading this the prior owner must have had the fob die and had to use this feature. the intelligent keys get a year of battery life if your lucky I got almost exactly 5 months out of mine (it died 1 day after purchase and I put a new one in, it recently died again, same fob) I think mine die fast because my work phone is Verizon and seems to interfere with it some, though my personal phone through sprint never does (when my work phone is not in my pocket or on me at all, like weekends, I never have an issue) but when the work phone is in my pocket I occasionally will not be able to unlock the car with the door button, and just moving the fob away from the phone slightly resolves this. same with starting most of the time it will let me in no issue 98%ish of the time otherwise I just jiggle the keys or take my phone out and it works, but starting seems to need a stronger signal from the fob so I get interference inside more I would say 15-25% of the time I get in my car to start it with my work phone in my pocket it says "advanced key not found" and wont start again jiggling the keys or phone or taking the phone/keys out of my pocket seems to do the trick. I notice it does it less if the top of the phone faces out of my pocket rather than down in the pocket but not a huge difference maybe 5% less.
directly from the 2012 owners manual, its the same procedure as my 2011 and 10,11,12,13 should all be similar (though the page number I reference maybe different depending on year model)
from page 3-15 of the owners manual (maybe different dependent on year but around that number and in chapter 3)
Starting the engine using the auxiliary key If the engine cannot be started for reasons such as the advanced key battery is dead, the engine can be started using the auxiliary key.
1. Slide the auxiliary key out from the bottom of the advanced key.
2. Use the auxiliary key to remove the key slot cover.
3. Depress the clutch pedal (manual transaxle) or the brake pedal (automatic transaxle) until the ring around the key slot starts flashing.
4. Insert the auxiliary key into the slot while it is flashing, but DO NOT TURN THE AUXILIARY KEY IN THE SLOT (I have done this and saw no flashing so I think the aux key can be put in and car started without the flashing part, again I have an 11 this is out of a 12s manual from online so different years may flash)
5. Press the push button start to start the engine
this caution is important from the manual too: After inserting the auxiliary key, do not attempt to turn it in the key slot. It could damage the vehicle or the auxiliary key.
and notes: Leave the auxiliary key in the key slot while the engine is running. When leaving the vehicle, remove the auxiliary key from the key slot and the vehicle. To switch the ignition position, insert the auxiliary key into the key slot and press the push button start without the clutch pedal (manual transaxle) or the brake pedal (automatic transaxle) depressed.
to shut the engine off with the aux key you:
1. Stop the vehicle completely.
2. (Manual transaxle) Shift into neutral. (Automatic transaxle) Shift the shift lever to the P position.
3. Press the push button start to turn off the engine (and my notes: take the aux key out of the slot and back into your fob, replace the fob batteries very soon as this procedure is annoying on a push button start car)
on the 14+ (at least with my dads 6) the procedure is different, there is no aux key to start the car just used to unlock doors if the fob dies, on the 14s, and up I would assume, you push the mazda logo end of the keyfob gently against the push button of the push button start, the light on the push button start will turn green and then you start the car as you would with the push button start, this is because the fob has what appears to be an rf chip that communicates with an rf reader in the push button and that allows the car to start without a fob if it is dead. ours have probably the same system just done differently, mazda probably found a way to put the aux reader for starting behind the button instead of a separate slot, that and I think most 14+ have push button start anyways I think every 6 does no matter trim, not sure on the 3. so that would mean no dead spot to put the reader in, as our aux key reader is in the dead spot the normal key start system is.
Normally when the fob is alive it sends codes between it and the computer (rf type) and code hops as well as uses encrypted codes so someone cannot easily take the code, this allow unlocking/starting etc. but when the fob is dead this is my thought on what happens with our type (10-13) the aux key must have the rf code sender in it and when done with a dead fob has a backup code that only using the key can access on the 14+ it must all be in the actual fob itself and that's why they can just push the logo of the fob to the button and then start the car, it must have a passive type rf chip that allows starting once read by the car (ours would be the same) normally its actively communicating and looking for matched encrypted codes from fob to car but there has to be a backup passive one that has a master type code that allows a dead fob to operate a car (or in our case the key, as the key would have the passive system in it) probably similar to the chipped keys gm cars had a long time back with the black square on them, probably almost exactly that but obviously smaller and more high tech as the system is more advanced and newer
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"Give into the Night"
Last edited by kms1990; 01-24-2017 at 05:25 PM.