Should my car's warranty cover water ingress?

My car is only 18 months old, but it has recently started to suffer from water ingress in the passenger and driver footwells. I took it back to the dealer to have the work done under warranty, but I've been told the problem is not a manufacturing fault because it's caused by blocked by leaves and mud in the plugs by the windscreen. Is this correct? Surely the dealer is liable for the repairs?

Asked on 31 December 2019 by Sarah Carr

Answered by Honest John
What the garage told you is correct. Decomposing leaves have blocked the drains either side of the bulkhead vent well at the base of the windscreen and that has left rainwater nowhere to go except via the pollen filter in to the car. You can usually clear the drains with a teapot spout brush, but you will need a a fresh pollen filter because the existing one will be sodden with water and impeding the airflow into the car.
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