It's mayfly season right now, and I accidentally squished some bug guts into the fabric of the A-pillar/ceiling fabric.

What's the best stuff to use to get this out?

 

Ive used the 303 fabric cleaner to get some pretty tough soil out of our light colored headliner and it worked well. It left no spot.

303 Fabric & Vinyl Cleaner - 32 oz | Detailed Image

 

are there any caveats to cleaning our headliners? In the past, I've done them in other cars by using a very slightly damp cloth to wipe super gently one way. Since the material the Gs is made out of is little different than the old cloth ones, can we get a little more aggressive, agitation-wise? Mine's got a dirty handprint on one of the pillars from someones grimy paws.

 

I've gotten dirty, and even slightly greasy smudges on this light colored headliner. I even got one pretty bad black grease streak (don't ask). If the smudge is oily, use a very mild (diluted) degreaser to break it up. Then I sprayed with the 303 and wiped gently. It seems that the headliner is more durable than it looks. I haven't messed mine up yet from gentle rubbing with cleaners and a soft MF cloth. I even used a soft bristled brush in a few spots.

if the spot is try, try brushing away as much as possible with a soft bristled brush like a nail brush first. Then clean up what won't brush away.

 

Folex. Cheap, easy, no rinse.

$5 from Home Depot.