Dear Kittysgreyvolvo,

Hope you're well and stay so. I cannot help with sunroof issues. I never thought a sunroof was a good idea, so have never owned any car so equipped.

That said, to clear the drain tubes, I'd use a piece of soft steel wire, and bend one end to double it - about 1/4" (6.5mm) - so that the tip is rounded. Use a file to remove any sharp or rough edges. The tip should be as smooth as possible. That reduces the risk of punching a hole in the plastic tubing.

I've used this device to clear blockages in the air-conditioning system drain tube (that protrudes slightly from the firewall, just below the aluminum air-conditioning evaporator/drier canister).

Hope this helps.

Yours faithfully,

Spook