Were you lagging? Did you carjack an AFK player? Did a player carjack you while you were AFK?
Lagging? Probably no, I had normal ping, like 100-120
Carjack? No, I was driving my own car, that I bought earlier.
AFK carjack? Well, no. But I'm usually going AFK for 2-3 secs while driving to see map.