Does anyone know what is this logo for? Or mean? Corvette C5

 

That’s to enable/disable traction control. The picture on the button shows the car snaking around leaving its rear tyres behind on the road

 

I was told it adds 100 hp.

 

https://my.gm.com/content/dam/gmowne...tte_owners.pdf

 

It activates burnout mode

 

incorrect. You're thinking of flame decals.

 

Activates the optional Flux Capacitor (a rare option).

 

Markus1224, welcome to the Forum. There is an incredible wealth of knowledge available.

This is only a guess, but I think you received a few somewhat sarcastic responses because the answer to your question can quickly be found in your owners manual. If you do not have an owners manual, I do believe you can find pdf versions of them with a google search.