Crazy auto braking

How does the car detect the door when the sensors are disabled?

 

The backup camera is not fed into the computer.

Is this what you did?

Enabling/Disabling the
Parking Support Brake

The Parking Support Brake
function can be enabled/disabled
through a customize setting.
(P.540)
When the PKSB (Parking Support
Brake) is disabled, the driving
assist information indicator
(P.84) illuminates, and a message
is displayed on the multiinformation
display.
If the PKSB (Parking Support
Brake) is switched to OFF (disabled),
the system will not be reenabled
until ON (enabled) is
selected again from the customize
setting (P.540).
(It remains off even if the power
switch is turned to ON again
after the power switch has been
turned off.)

 

You can apologize all you want, but the loved ones of those squirrels are never going to forgive you, nor will I...

 

Rollaway Protection

Section 5-2 Of Owner's Manual - "Driving Procedures" speaks to the conditions of why the parking brake is engaging:

Parking Brake Automatic Lock Function

The parking brake will be set automatically under the following conditions:

1. The brake pedal is not depressed
2. The driver's door is open
3. The driver's seat belt is not fastened
4. The shift position is in a position other than P or N
5. The malfunction indicator lamp and brake system warning light are not illuminated

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Here's the likely reason this feature is baked in:

"When Consumer Reports began subtracting points from the Overall Score of vehicles that lacked rollaway protection, it pushed the industry to do better. Now, all new vehicles with electronic shifters come with it—a big win for consumers. Some of these vehicles shift automatically into Park if the door is opened, and others apply the electronic parking brake. Either way, these systems prevent rollaway." ....

Even so, our testing showed that several older models lacked this important safety feature. For example, the 2020 Toyota Prius .... models lacked rollaway protection, but the automakers added it the following year after CR reduced their Overall Scores."

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I don't think it's an option that can be turned off. Can it be defeated might be what you're looking to do. Given that it's not TSS sensor related logic it's not anything to be found in the software menus. Perhaps if I had a need to have my door open to visually inch forward or back to a very specific spot and do that repeatedly a number of times to apply tire shine, I might fasten the seat-belt behind me and get on with it.