Mazda 6 Service Manual: No.2 mil illuminates

No.1 melting of main or other fuses

No.3 will not crank

Other materials:

Mazda 6 Service Manual: Anchor Bracket
Anchor brackets for securing childrestraint systems are equipped in the vehicle. Locate each anchor position using the illustration. To install a child-restraint system, remove the head restraint. Always follow the instruction manual accompanying the child-restraint system. Anchor bracket loca ...

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: ...