Where is the sunroof drain tubes located on a 2004 Volvo S40?

On a 2004 Volvo S40, the sunroof drain tubes are located at the corners of the sunroof opening. They typically run down the A-pillars and drain water to the ground outside the vehicle. To access them, you may need to remove the headliner or trim panels for inspection and maintenance. Regularly checking these tubes for blockages is important to prevent water leaks into the cabin.