1. Disconnect the negative battery cable.
2. Remove the center panel module.
3. Remove the screws.

4. Pull the center box forward, then disengage the tabs
5. Disconnect the LDC unit connector.
6. Install in the reverse order of removal.
Lower panel removal/installation
Glove compartment removal/installationMazda 6 Service Manual: Advanced Keyless Entry System
WARNING
Radio waves from the key may affect medical devices such as pacemakers:
Before using the key near people who use medical devices, ask the medical device
manufacturer or your physician if radio waves from the key will affect the device.
The advanced keyless function allows you to lock/u ...
Mazda 6 Service Manual: Immobilizer System
The immobilizer system allows the engine to start only with a key the system
recognizes.
If someone attempts to start the engine with an unrecognized key, the engine
will not start, thereby helping to prevent vehicle theft.
If you have a problem with the immobilizer system or the key, consult ...