Seat Warmer Control Unit Removal/Installation

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Handling a front seat equipped with a side air bag improperly can accidentally operate (deploy) the air bag, which may seriously injure you. Read the service warnings/cautions in the workshop service information before handling the front seat (side air bag integrated). (See AIR BAG SYSTEM SERVICE WARNINGS [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (See AIR BAG SYSTEM SERVICE CAUTIONS [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (See AIR BAG SYSTEM SERVICE WARNINGS [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (See AIR BAG SYSTEM SERVICE CAUTIONS [STANDARD DEPLOYMENT CONTROL SYSTEM] .)

Switch the ignition off (LOCK).
Disconnect the negative battery terminal and wait for 1 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Disconnect the connector.

Fig 1: Disconnecting Seat Warmer Control Unit Using Flathead Screwdriver
Courtesy of MAZDA MOTORS CORP.
Using a flathead screwdriver, disconnect the seat warmer control unit in the direction of the arrow (2) while releasing tab in the direction of the arrow (1) shown in the figure.
Install in the reverse order of removal.