On 2023 T6.1, I seem to have water pooling in the back right when the roof is up. There seems to be a rubber grommet there, but I remember hearing warnings about clearing drains. What should I do, please?
Those on the back are easy. I use a tyrap to clean it. Just push in the flexibel bit and flush it with some extra water. If you open the tail you can see trough the unblocked drain.
On the front the channel is longer with some bends. Loads of info on that.
Assuming you are parked flat and the holes not blocked, it will drain. Water is designed to run to there from the roof when up. If you are nose slightly forward it wont drain fully when parked but will when you drive.
If you do clean it out take care as the drain tube is in 2 parts. That’s 2 tubes with one sliding over the other, with the overlap forming the join/seal. If you are too heavy handed you can end up with them being dislodged …. I did !