Fun(infuriating) fact.
On the union depository job, your personal car can get stolen by a randomly invincible, unjackable NPC who drives off to fuck off nowhere and starts going in circles up by Chumash.
Also, when I discovered this just now, this happened.
https://litter.catbox.moe/9lxroreemprd5mk8.mp4
If I didn't know better, I would be suspecting I might have triggered some piracy prevention mechanics or something.