You're right it shouldn't keep shifting up and down but I think it should shift up before 5000 RPMs. It certainly did shift up before that RPM in its first 30000 KMS.

I have a problem with my 2003 Vibe AWD, automatic, (NOT a GT) that the service department of the dealership that I bought it at can't seems to understand. The car had about 30000 kms on it when it started doing this. It seems to shift down when the RPMs get too low which is fine but when it gets bac...