Engine trouble? Interruptions while driving?

I drive an Opel Vectra C GTS 211 hp. It had been running very reliably up until then. However, the following problem suddenly arose while driving: While accelerating, the car suddenly braked, and the check engine light illuminated briefly. The ESP light remained on the entire time. The deceleration wasn't a complete stop, but rather…

Unfortunately, I can't turn the radio up loud in my Opel Vectra C because as soon as it gets loud the speakers freeze. How can I fix this?

Hello everyone, As you can read in the title, I'm having problems with the speakers in my Opel Vectra C. As soon as it gets loud, the speakers freeze. Then I hear the music for a brief second on the left speaker, then on the right speaker, and then not at all. What could be…