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Alert when FOB Left in Car

64

Description

When exiting the vehicle and the FOB remains inside, provide an audio alert.

Competitive/Pricing/Notes

Some competitive cars offer this feature.

Status

Unknown.

(lightly edited by moderator)



Category: Tags: entered 2-Nov-2017

5 Comments

Recently I went for shopping real quick at a gaz station and forgot the FOB AND the phone in the car. When I came back I was not able to open the doors anymore! (unfortunately the FOB battery got too low in that very moment I assume, because afterwards it showed "low battery").

It was 10:55 PM, shop was just closing, far from home (where the 2nd FOB is).

Luckily a friend showed up which I hadn't seen for years, so I could use his phone to download the app and unlock...
Reasonable.  But, how might the sound be detectable outside the vehicle?
On my old 2017 Hyundai, if you left the key in the vehicle, it would beep from under the hood.

 
I'd like the car to sound the horn with one long or three short beeps if I leave my phone in my Model 3. I've done this twice now and the only reason I noticed was that my smart phone vibrated when it was out of range of my phone.
Thanks for the input. I can't really only trace 1 ray as I'm using an extended source, and looking to evaluate uniformity on my detector happy wheels. It looks to me like I'll just have to live with some long raytraces