brakes

Is there an issue with having these little bubbles in the brakes fluid reservoir?

On my 2nd service they told me they have upgraded my firmware and i feel "IDLE TORQUE" is slightly higher and due to this i need to press the brake with extra pressure during car being still position compared before firmware upgrade. The scenario is even more obvious when the car is in decline...

I have a 2017 Ioniq Hybrid. When my car made a year, the horn and left brake bulb blew. It was changed and the brake bulb blew within 3 months. It was changed again and then another issue developed. The outer park lights were malfunctioning. there were times the outer park lights would work and...