Mazda 6 Service Manual: No.5 no creep at all

No.4 excessive creep

No.6 low maximum speed and poor acceleration no.7 no shifting

Other materials:

Mazda 6 Service Manual: Intermittent concern troubleshooting
  Vibration Method 1. If malfunction occurs or becomes worse while driving on a rough road or when engine is vibrating, perform the steps below. Note There are several reasons vehicle or engine vibration could cause an electrical malfunction. Some of the things to check for are: ...

Mazda 6 Service Manual: Setting the System
When the MODE switch is pressed, the Mazda Radar Cruise Control (MRCC) main indication (white) turns on and the vehicle speed and the distance between vehicles while in headway control can be set. NOTE When the ignition is switched to ACC or OFF while the Mazda Radar Cruise Control (MR ...