[[DC]Coslo]

public OnPlayerUpdate(playerid)
{
if(IsPlayerInAnyVehicle(playerid))
{
new Float:h; //health
new veh; //vehicle
veh = GetPlayerVehicleID(playerid)
GetVehicleHealth(veh,h);
if(h <=990) RepairVehicle(veh);
}
return 1;

//

can you see on public OnPlayerUpdate(playerid)

health and vehicle

Or Health +
Or Vehicle -