1. Insert a small screwdriver into the slot and gently pry open the transmitter.

2. Press the portion of the battery indicated by A and remove the battery.

3. Install a new battery (CR2025) into the front portion of the holder with the positive pole (+) facing up. Press on the B portion of the battery to set the battery.
4. Align the front and back covers and snap the transmitter shut.
Battery specification Lithium CR2025 × 1
Note

Door lock timer unit id code change
Transmitter battery inspectionMazda 6 Service Manual: Programming the HomeLink System
CAUTION
When programming a garage door opener or a gate, disconnect the power to these
devices before performing programming. Continuous operation of the devices could
damage the motor.
The HomeLink system provides 3 buttons which can be individually selected and
programmed using the transmi ...
Mazda 6 Service Manual: Windshield wiper motor inspection
L.H.D.
1. Disconnect the windshield wiper motor connector.
2. Connect battery positive voltage to terminal E or D and ground to terminal
B, and inspect the operation of the windshield wiper motor as indicated below.
3. Disconnect battery positive voltage from terminal E of the motor while t ...