70 in 6th gear?

Hi, I have a question about my car. I have a 2019 Corsa E 1.4T with 101 hp and 200 Nm. I drive it a lot on country roads and motorways and I really like the long gearbox. Now I wanted to know if it's harmful in any way if I drive at 70 km/h…

How high can I go with the speed without causing damage?

I drive a lot on the highway. I've had my license for about a month now and it's actually running pretty well. I bought a relatively expensive car and it doesn't have many kilometers on it. You're supposed to accelerate on the highway, i.e. on the acceleration lane. But I'm kind of afraid to accelerate…

Tachometer?

Opel Insignia 2.0 Turbo 20009 Sat down yesterday, wanted to go, started the car and saw that the rev counter was at 0. If I accelerate it goes from 0 to idle like usual. All other displays work. I briefly turned it on and off, and then the display worked as usual all last night….