2000 Boxster oil dipstick

[mykelamy]

Hello,
I find it hard to read the oil dipstick. My oil is always clean as I change it every 4000K. When I can see it, it looks full, but the gauge in the car after running it sometimes says is down a couple bars. Any reason why this is?

Also, the digital MPH light in the dash is very dim and almost unable to see. I tried to adjust, but it will not get brighter.

Thanks for any help.

Mykel