Indicator Unit Removal/Installation

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the sensor cover. (See SENSOR COVER REMOVAL/INSTALLATION .)
Disconnect the connector.

Fig 1: Indicator Unit And Connector
Courtesy of MAZDA MOTORS CORP.
Move the indicator unit in the direction of the arrow shown in the figure below and remove it.

Fig 2: Moving Indicator Unit
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.