1. Detach the fit of the upper column cover from the meter hood rubber.

2. Remove the upper column cover.
3. Remove the ignition key illumination.
4. Remove the screws.
5. Remove the lower column cover.
6. Install in the reverse order of removal.
Side panel removal/installation
Meter hood removal/installationMazda 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: To Operate the System
The High Beam Control System (HBC) operates to switch the headlights automatically
between high and low beams after the ignition is switched ON and the headlight switch
is in the AUTO and high beam position.
The High Beam Control System (HBC) determines that it is dark based on the brightness
...