Note

1. Verify the concern.
2. Turn the ignition switch to LOCK position.
3. Disconnect the negative battery cable.
4. Connect the negative battery cable.
5. Turn the ignition switch to ON position.
6. Verify that the needle returns to zero.
Instrument cluster inspection
Instrument cluster input/output check modeMazda 6 Service Manual: Bluetooth® Audio
Applicable Bluetooth® specification (Recommended)
Ver. 1.1/1.2/2.0 EDR/2.1
EDR/3.0 (conformity)
Response profile
A2DP (Advanced Audio Distribution Profile) Ver. 1.0/1.2
AVRCP (Audio/Video Remote Control Profile) Ver. 1.0/1.3/1.4
A2DP is a profile which transmits only audio to the Blue ...
Mazda 6 Service Manual: Battery Recharging
NOTE
Before performing maintenance or recharging the battery, turn off all
accessories and stop the engine.
To disconnect the battery, remove the negative cable first. Install it
last when connecting the battery.
Be sure to remove the caps before recharging the battery.
I ...