Okay well I have hit the 100K mark on my type s 02' and its maitenence light is on what's the standard dealer procedure they do when normal ppl take their car in I alredy did the standard 70k tune up what's up when they say do a 90k maitenence or w/e I know I gotta change the serpentine belts that's easy bur what else!?! Advice please thanks ppl.

 

you pretty much just have to inspect everything.
Have you replaced the engine coolant already?
Have you replaced the brake fluid?

 

do a valve adjustment for sure. Maybe even timing chain since they can stretch over time.