[zbt]

pawn Код:

//if newkeys & KEY_HORN
if(!IsPlayerInAnyVehicle(playerid))
    return false;
new Float:v[3];
GetVehicleVelocity(GetPlayerVehicleID(playerid), v[0], v[1], v[2]);
SetVehicleVelocity(GetPlayerVehicleID(playerid), v[0]*X, v[1]*X, v[2]*X);

//troque X pela velocidade.