The HEPA filter in your EV catches 99.97% of particles — but only if you actually replace it.
Most EVs need a new cabin filter every 2 years or 25K miles. Tesla's Bioweapon Defense Mode is only as good as a fresh filter. DIY replacement takes 15 minutes and costs $30-50 vs $100+ at a service center. YouTube has walkthroughs for every model.
How many of these have you done?
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