Mechanic Q: If brake make noise?

Noise brake after press very lightly

Mechanic Q: Can you tell me approximately when brakes should be replaced??

Can you tell me approximately when brakes should be replaced?

A: Can you tell me approximately when brakes should be replaced??

Thank you very much.

Mechanic Q: while stopped at a stoplight my car felt like someone hit me from behind ( car jerked forward) , but?

while stopped at a stoplight my car felt like someone hit me from behind ( car jerked forward) , but no one was behind me. I turned right to proceed home and the engine light came