Auto Door Lock Glitch?

S

Snake

2024 CX-5 S Select.

We just got home from our first road trip in our new Mazda. It was a wonderful experience. I did most of the driving.

Something I've noticed in the auto door lock system that is a bit of a pain. If the door closest to whoever is holding the FOB isn't closed last, there is no beep and therefore, the doors will not auto lock. I found myself making an effort to be the last to close a door when we parked (I had the FOB). We tested the system by walking away when it didn't beep and the doors never auto locked, which is a concern. Before I dig into the owners manual, is this a common glitch, or will I be able to set up the system so that it sets itself to auto lock after any of the last doors that are open close? The issue seems to be that the range of the FOB is very short, as in just a few feet and when we close the passenger door last, the car doesn't detect the FOB (unless the FOB is right there) and therefore, it doesn't auto lock. Perhaps I can increase the FOB range as well? Thanks.
 
Here's what the manual says.

  • (Walk-away auto lock function)
    A beep sound is heard when all doors and the liftgate are closed while the advanced key is being carried. All doors and the liftgate are locked automatically after about three seconds when the advanced key is out of the operational range. Also, the hazard warning lights flash once. (Even if the driver is in the operational range, all doors and the liftgate are locked automatically after about 30 seconds.) If you are out of the operational range before the doors and the liftgate are completely closed or another key is left in the vehicle, the walk-away auto lock function will not work. Always make sure that all doors and the liftgate are closed and locked before leaving the vehicle. The walk-away auto lock function does not close the power windows.
 
stickerbush said:
Here's what the manual says.

  • (Walk-away auto lock function)
    A beep sound is heard when all doors and the liftgate are closed while the advanced key is being carried. All doors and the liftgate are locked automatically after about three seconds when the advanced key is out of the operational range. Also, the hazard warning lights flash once. (Even if the driver is in the operational range, all doors and the liftgate are locked automatically after about 30 seconds.) If you are out of the operational range before the doors and the liftgate are completely closed or another key is left in the vehicle, the walk-away auto lock function will not work. Always make sure that all doors and the liftgate are closed and locked before leaving the vehicle. The walk-away auto lock function does not close the power windows.
Click to expand...
That's not what I wanted to hear, but thanks for sharing it.

My Honda will auto lock regardless of which door closes last. The range of the Honda FOB is 10 feet so it can sense any door closing at any time as long as I am within ten feet of the vehicle. Therefore, the auto lock feature is more reliable. Bummer.
 
Snake said:
Something I've noticed in the auto door lock system that is a bit of a pain. If the door closest to whoever is holding the FOB isn't closed last, there is no beep and therefore, the doors will not auto lock. I found myself making an effort to be the last to close a door when we parked (I had the FOB). We tested the system by walking away when it didn't beep and the doors never auto locked, which is a concern.
Click to expand...

On my 2016.5 CX5, it also has the auto-lock feature.

Biggest tip I have is: Once you get out and close the door, wait for a second or two before you move away from the car.

I've found this gives the fob/car time to synchronize to the fact that I'm outside the car and intending to lock it up. Invariably, if I move away from the door rapidly, allowing it to close behind me, it won't auto-lock.

It works well. It just fails to accomodate rapid exiting, at least on my 2016.
 
GFrosty said:
On my 2016.5 CX5, it also has the auto-lock feature.

Biggest tip I have is: Once you get out and close the door, wait for a second or two before you move away from the car.

I've found this gives the fob/car time to synchronize to the fact that I'm outside the car and intending to lock it up. Invariably, if I move away from the door rapidly, allowing it to close behind me, it won't auto-lock.

It works well. It just fails to accomodate rapid exiting, at least on my 2016.
Click to expand...
Yes, this has been my experience with all vehicles/makes/models that have an auto-lock feature. The key is to listen for the beep. Thanks
 
I just hit the manual lock switch on my driver door after everyone has their door open, then the doors are all locked and doesn't matter who closes last.

I'm a problem solver 👍😁
 
HyFlyer said:
I just hit the manual lock switch on my driver door after everyone has their door open, then the doors are all locked and doesn't matter who closes last.

I'm a problem solver 👍😁
Click to expand...
The easiest solution is usually the best.
 
HyFlyer said:
I just hit the manual lock switch on my driver door after everyone has their door open, then the doors are all locked and doesn't matter who closes last.

I'm a problem solver 👍😁
Click to expand...
Great, but the CX-5 has a factory security system (engine immobilizer) doesn't it? If the doors are manually locked and the car doesn't beep because some other door is closed last, will the security system engage if the car doesn't beep?
 
HyFlyer said:
That I don't know 🤷‍♂️ but it's never been stolen haha 😆 (although I don't think anyone has tried)
Click to expand...
Lucky. My CRV has had the lock cylinder punched three times. I don't think any of the crooks were trying to steal my car. I think they were looking for anything that they could take for a quick sale to buy meth.
 
Snake said:
Great, but the CX-5 has a factory security system (engine immobilizer) doesn't it? If the doors are manually locked and the car doesn't beep because some other door is closed last, will the security system engage if the car doesn't beep?
Click to expand...

Is there a icon on the dash that flashes when the immobilizer is activated? Never paid attention but my previous Honda and Nissan had it. Mazda probably has it too. If so, lock the doors manually then observe the dash through the drivers window. See if there's a flash. If so it's engaged.
 
wlong01 said:
Is there a icon on the dash that flashes when the immobilizer is activated? Never paid attention but my previous Honda and Nissan had it. Mazda probably has it too. If so, lock the doors manually then observe the dash through the drivers window. See if there's a flash. If so it's engaged.
Click to expand...
There is one. I need to see what happens when the beep does not chime. Stay tuned...
 
Snake said:
There is one. I need to see what happens when the beep does not chime. Stay tuned...
Click to expand...
It looks like it activates when the car is in park and the engine is off. I checked my two in the garage last night. Both unlocked and the icon was flashing.
 
Snake said:
CX-5 has a factory security system (engine immobilizer) doesn't it?
Click to expand...
Not in the way you are thinking. The engine immobilizer is just the RFID chip in the key, so you need a pre-programmed key to start. Other than that, there is no factory alarm system on recent Mazdas (not my 2014, 2019, nor my 2023 CX-50). Oh, there is a flashing light on the dash, but that's all it is!

So you only need to worry about whether your doors are locked (or not).
 
RedBaron said:
Not in the way you are thinking. The engine immobilizer is just the RFID chip in the key, so you need a pre-programmed key to start. Other than that, there is no factory alarm system on recent Mazdas (not my 2014, 2019, nor my 2023 CX-50). Oh, there is a flashing light on the dash, but that's all it is!

So you only need to worry about whether your doors are locked (or not).
Click to expand...
Yes, I recall now that our CX-5 came with an aftermarket security system that we had them deactivate because of the outrageous price they were asking.
 
So the factory security only beeps the horn and flashes the lights if it detects unauthorized access.
 
Snake said:
That's not what I wanted to hear, but thanks for sharing it.

My Honda will auto lock regardless of which door closes last. The range of the Honda FOB is 10 feet so it can sense any door closing at any time as long as I am within ten feet of the vehicle. Therefore, the auto lock feature is more reliable. Bummer.
Click to expand...
I think this is where your confusion came from.
Mazda's FOB (adv keyless feature) has a range of roughly 3 feet only.
Your Honda might have 10 feet range.
Stay close when the last person close the door. It should work.
Longer is not always better in this case.
(e,g, if you keep your fob close, the battery in fob keeps getting drained)
 
ceric said:
I think this is where your confusion came from.
Mazda's FOB (adv keyless feature) has a range of roughly 3 feet only.
Your Honda might have 10 feet range.
Stay close when the last person close the door. It should work.
Longer is not always better in this case.
(e,g, if you keep your fob close, the battery in fob keeps getting drained)
Click to expand...
It doesnt work if I am on the other side of the vehicle when a passenger door closes. We testedd that before I reqched out here. I feel that Mazda has a shorter FOB range for security reasons when a driver is alone, which I can appreciate. Too bad the range isnt adjustable though. No biggy.
 
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