Rand0m3x , That might prove the contrary actually,
Cars are forbidden to minors or anyone who is unable to follow the regulations .
Even when someone weakens e.g. old age, they lose their licence
Second,with a vehicle,though it does make it easier, one still needs to go actively out to sin.(which was the case with horses & stagecoaches too)With a phone one could sit or lie in bed
(Finally ,in some communities the women refrain to this day from driving)