oh i remember walking around the map twice just to find my Satsuma in the swamp (none of my vehicles had fuel in them thats why i had to walk). oh yeah and the two buttons are actually for linelock. linelock locks the front wheels.
It took me long enough to walk around half of the map, not twice... that must have been rough to do. But thanks for the info on the buttons, wasn't sure what they are for. :)