To open, pull the remote fuel-filler lid release.
To close, press the fuel-filler lid until it locks securely.

Fuel-Filler Lid and Cap
Fuel-Filler CapMazda 6 Owners Manual: Customer Assistance (Mexico)
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Mazda 6 Owners Manual: Airflow mode actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal
F or D of the airflow mode actuator.
2. Verify that the airflow mode actuator operates as shown below.
If not as specified, replace the airflow mode actuator.
3. Verify that the resistance between the ter ...