I have to travel about an hour to the dealership, ...

I have to travel about an hour to the dealership, when I bring my Mazda in for oil change I would appreciate it if additional work is needed and it's not time consuming to ask me if I want it before check out. I usually don't see additional work until I get home but this last time I came in I seen it before I left the parking lot so I asked if it could be done now instead of making another trip and they could, so now my car has to wait again for spot, wait for work to be done, another bunch of paperwork and check out for 2nd time. It would help them and me if during inspection and time permitting they just ran it by me so I can decide to have work done then or later.