1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Trunk end trim.
b. Rear scuff plate (RH).
c. Trunk side trim (RH).
3. Disconnect the connector.

4. Remove the bolt.
5. Remove the theft-deterrent horn.
6. Install in the reverse order of removal.
Theft Deterrent Horn InspectionPassenger Side Air Bag Module Removal/Installation [Standard Deployment Control
System]
WARNING:
Handling the air bag module improperly can accidentally deploy the air bag
module, which may seriously injure you. Read the air bag system service warnings
and cautions before handling the air bag module..
NOTE:
When replacing the passenger-side air bag module af ...
Awd Control Module Inspection
NOTE:
AWD CM terminal voltage can vary depending on measuring conditions and vehicle
aging, resulting in misdiagnosis. Therefore, it is necessary to perform an overall
inspection of the input/output systems and AWD CM to determine which part is
malfunctioning.
With the AWD C ...
Accessory Sockets
Only use genuine Mazda accessories or the equivalent requiring no greater than
120 W (DC 12 V, 10 A).
Front
The ignition must be switched to ACC or ON.
Center, Rear
The accessory sockets can be used regardless of whether the ignition is on or
off.
CAUTION
●To prevent accessory ...