Horn Switch Removal/Installation

Remove the driver-side air bag module. See DRIVER AIR BAG MODULE REMOVAL/INSTALLATION .
Disconnect the horn wire from the switches (1).
Remove the horn switch screws and remove the switches (2).

Fig 1: Removing Horn Switches Screws
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.
1. Tightening torque
  1. 6.5-7.5 N.m (66-76 kgf.cm, 58-66 in.lbf)
Prove out the air bag system. See AIR BAG SYSTEM ON-BOARD DIAGNOSIS .