They don't need to look for a hack, just its trace.
If the accident is any serious, both insurance companies will routinely buy the info sent by default to the maker by that model; In particular speed and location info.
If the info is suspiciously absent (because somebody hacked their car to stop sending it), the insurance companies will enter in red-alert mode, and will find how to get themselves out of the problem.
Sent info can be used against you, but also could benefit your insurance company to win the case. Is not always white or black. The main goal of insurance companies will be to protect themselves, but the secondary goal will be to protect you, the client, from potentially serious legal consequences. If both insurance companies are the same, they could team against the vehicle with less clear data.
If the accident is any serious, both insurance companies will routinely buy the info sent by default to the maker by that model; In particular speed and location info.
If the info is suspiciously absent (because somebody hacked their car to stop sending it), the insurance companies will enter in red-alert mode, and will find how to get themselves out of the problem.
Sent info can be used against you, but also could benefit your insurance company to win the case. Is not always white or black. The main goal of insurance companies will be to protect themselves, but the secondary goal will be to protect you, the client, from potentially serious legal consequences. If both insurance companies are the same, they could team against the vehicle with less clear data.