Hissing Sound When Braking – What's Going On?

I totally agree with that! It’s better to be safe than sorry when it comes to brakes. You can’t really put a price on safety.

What are some signs that I should definitely seek professional help?

If the hissing turns into grinding or if you feel vibrations in the pedal, that’s a sign to get help ASAP.

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Or if the sound is accompanied by a warning light on the dashboard—a definite red flag!

This discussion is so helpful! I might just try a DIY inspection before going for repairs. Anyone have a favorite brake inspection tutorial?

You could check out some YouTube channels dedicated to car maintenance. There are lots of step-by-step guides that are really clear!