[Adrian Fahrenheit Tepes]

pawn Код:

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if (PRESSED(KEY_WALK))
    {
        new Float:X,Float:Y,Float:Z, Float:Angle;
        GetPlayerPos(playerid, X,Y,Z);
        GetPlayerFacingAngle(playerid, Angle); 
        new veiculonovo = CreateVehicle(carrocriado, X,Y,Z, Angle, 0, 0, 60000);
        PutPlayerInVehicle(playerid, veiculonovo, 0);
    }
    return 1;
}

Tente assim!