If the buttons on the transmitter are inoperable and the operation indicator light does not flash, the battery may be dead.
Replace with a new battery before the transmitter becomes unusable.
CAUTION
The following conditions indicate that the battery power is low:
Replacing the battery at an Authorized Mazda Dealer is recommended to prevent damage to the key. If replacing the battery by yourself, follow the instruction.
Replacing the key battery
1. Press the knob and pull out the auxiliary key.

2. Twist a tape-wrapped flathead screwdriver in the direction of the arrow and open the cover slightly.

3. Insert the tape-wrapped flathead screwdriver into the gap and slide it in the direction of the arrow.

4. Twist the flathead screwdriver in the direction of the arrow and remove the cover.

5. Remove the battery cap, then remove the battery.

6. Insert a new battery with the positive pole facing up, and then cover the battery with the battery cap.

7. Close the cover.

8. Reinsert the auxiliary key.
CAUTION
Be careful not to allow the rubber ring shown in the figure to be scratched or damaged.
If the rubber ring detaches, reattach it before inserting a new battery.

Battery Recharging
TiresMazda 6 Owners Manual: Windshield Wipers and Washer
The ignition must be switched ON to use the wipers.
WARNING
Use only windshield washer fluid or plain water in the reservoir:
Using radiator antifreeze as washer fluid is dangerous. If sprayed on the windshield,
it will dirty the windshield, affect your visibility, and could result in an accid ...
Mazda 6 Owners Manual: Rear door trim removal/installation
1. Disconnect the negative battery cable if equipped with power window
system.
2. Remove the regulator handle if equipped.
3. Open the cap using a small screwdriver, then remove the screw.
4. Remove the inner handle cover.
5. Remove the cover, then remove screw.
6. Disengage clips A from th ...