c'est bon merci Urban, mais j'avais trouver avant que tu poste :
if (strcmp(cmdtext,"/lc",true) == 0)
{
if (IsPlayerInAnyVehicle(playerid))
{
SetPlayerInterior(playerid,1);
SetVehiclePos(GetPlayerVehicleID(playerid), -740.5220,485.7770,1371.8029);
new vehicleid;
vehicleid = GetPlayerVehicleID(playerid);
SetVehicleZAngle(vehicleid, 93.0);
LinkVehicleToInterior (GetPlayerVehicleID(playerid), 1);
} else {
SetPlayerInterior(playerid,1);
SetPlayerPos(playerid, -740.5220,485.7770,1371.8029);
SetPlayerFacingAngle(playerid, 93.0);
}