No
I agree with everyone else.
No you don't need an appointment but would recommend it
Nope, not when you go through express. Usually a 1 to 2 hour wait
Nope, first come first serve
Not necessarily, however you risk being placed in a line if they're loaded with appointments for oil change on the day you go in, but it Express service for oil change.
They have a quick lube express that you can drive up to but I always recommend setting up an appointment because they get really busy daily
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