Is the dealer able to turn off door lock-related beeping?

[Mopper]

Meter hopefully will tell me what I need, dropping the cowl is harder than it looked!

I gave up trying to go through the cowl and wound up removing the annuciator through the gap after re-removing the front pan, the annuciator is only held on by a single 10mm fastener (the job is greatly aided by a ratcheting end wrench). The reason the tape across the front didn't work is that there are smaller openings into the sound chamber around the periphery and 3 pretty good sized louvres on the back. DC resistance measures 3.6 ohms regardless of polarity, diode check says no difference too. Given that the resistance is now known to some degree, I'm going to tape the peripheral- and rear-ports along with most of the front one. I can always build and install a shunt now if the tape doesn't modulate the volume. I'm kind of OK with some warning, it's the over the top volume, number of pulses, blinky-light show, and way too frequent error messages that interfere with operating the vehicle that I object to. Rant complete.

If it works, next battle. If it doesn't, I'll be back

 

[Mopper]

Well there's a perfectly good Saturday morning gone... electrical tape doesn't reduce volume anywhere near enough.

So much for the mechanical solution

 

[Bad1975]

Dealer can disable completely or change volume from 0 off to 7 loudest. Here’s the list of what the dealer can do. In the first post here: LC250 GTS+ Full customization of parameters list (what the dealer can perform)

Hazard answer back can also be turned off.

I’ll post Toyota specs on the speaker in a minute since I have those. TIS says there is another speaker somewhere but doesn’t show it and I can’t find in parts database either, nor can I hear it.

 

[Bad1975]

The first speaker is as shown already, this is the front warbler for pedestrians and for the doors locking and unlocking.

The second speaker is in the rear bumper, this is the rear warbler for pedestrians and for the rear hatch beeping, item 5 below.

I think the best method is dealer to disable the door lock beeps or turn it down since you could be screwed in a pedestrian collision if it were fully disabled. Alternative is to get yourself a Xhorse J2534 device, install GTS+ on your computer, buy a 3-day subscription and DIY it and now you have full dealer functionality anytime you may need it in the future.