Sometimes a tiny metal object will look huge in radar. Yogurt cup lids and the bottom of coke cans are known for this.

My VW car does this all the time - particularly in the rain. Including when my kid is in the car. Fun times.

Incidentally the last VW I will ever own. Although I doubt other modern cars are any better.

> audible proximity sensors.

Man, my driving instructors car had those. Driving around the neighborhood where I live had those going off pretty much the entire time. Makes one wonder how incredibly oversized the parking spaces are where the designer of that feature lives.

> Daimler Trucks said the trench plate does not represent real-world driving.

Holy shit, any automaker who says that needs to have all their vehicles banned from US roads immediately.