Search results

Good luck, been dealing with the same thing and have had 4 diagnostic’s. The dealership insists it’s excessive debris clogging up the drains which seems to be the case but how that’s my fault is infuriating. I don’t even open the moonroof. This had cost me lots of money.

It definitely is from rain in my case. I didn’t know there was a problem until it began to smell. I felt under the rubber mats in the back seat and they were soaked. Brought it to dealership and they said the moonroof drains were clogged and I don’t park under trees. They never mentioned the...

I had my moonroof gasket replaced and the problem remains so it’s not the moonroof gasket.

Mine is currently at the dealership. They took the seats out this time, they said something about faulty gaskets.

I am on my 3rd diagnostic for this. I was lucky to file a claim while still under warranty. The first two diagnostics they insisted it was the moonroof drains clogging up from pine needles and that flushing the drains during each and every scheduled oil change would solve the problem so I...

I created a claim with GM. Had to pay for another diagnosis and the solution is to have the moonroof drains cleaned out with every oil change. I check the rear vents and wheel wells frequently just to make sure it’s dry. I don’t see anything in the maintenance manual that mentions frequent...

I have a 2020. Have had it for about19 months and am just now having this issue. The dealership blamed it on the same thing and I paid them to blow out the lines. It hasn’t rained, the back floor was almost dry to I covered it with baking soda and low and behold got up this morning to vacuum...

What was the culprit of the wet rear carpet and spare tire compartment? It’s not from the moonroof. 2020 model.