Hybrid battery compartment

2000Strat

I have a 2013 Toyota Camry XLE Hybrid that I bought brand new. I have no mechanical knowledge/aptitude. At my last oil change appointment my dealer told me that the Hybrid compartment was full of leaves and debris and needed to be clean and a filter installed to prevent it from happening again. I looked at a YouTube video about replacing the hybrid battery and it doesn't look to me as there can be a way for that compartment to get full of debris etc. I fear they are trying to rip me off. Does anyone have any knowledge of this problem.

PF_Flyer

There are filters for the fresh air intake on the hybrid battery compartment to keep debris out, so he's not making it up. If the compartment gets filled up with leaves and other debris, air cannot circulate to help cool the battery.

2000Strat

Thank you for your reply. This really helps.