On June 11th, 2024, we discovered a set of vulnerabilities in Kia vehicles that allowed remote control over key functions using only a license plate. These attacks could be executed remotely on any hardware-equipped vehicle in about 30 seconds, regardless of whether it had an active Kia Connect subscription.
FWIW there is a cottage industry for OnStar disable/delete mods for GM vehicles. It can be done, usually without breaking too much else of the car’s electronic functionality.
You’d probably have more luck installing a signal jammer in your car.
The best you can hope for is a rootkit and some Linux-based OS for cars to be developed so you can take full control.
Also, jammers are illegal pretty much everywhere.
FWIW there is a cottage industry for OnStar disable/delete mods for GM vehicles. It can be done, usually without breaking too much else of the car’s electronic functionality.
I’d rather poke the GSM modem with a screwdriver.
if you can find it, and all it’s backups…