Mazda 3 Owners Manual: Battery Replacement

Mazda 3 Owners Manual / Maintenance and Care / Owner Maintenance / Battery Replacement

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

Make sure the battery is installed correctly. Battery leakage could occur if it is not installed correctly.
When replacing the battery, be careful not to touch any of the internal circuitry and electrical terminals, bend the electrical terminals, or get dirt in the transmitter as the transmitter could be damaged.
There is the danger of explosion if the battery is not correctly replaced.
Dispose of used batteries according to the following instructions.

Insulate the plus and minus terminals of the battery using cellophane or equivalent tape.
Never disassemble.
Never throw the battery into fi re or water.
Never deform or crush.

Replace only with the same type battery (CR2025 or equivalent).

The following conditions indicate that the battery power is low:

The KEY indicator light (green) flashes in the instrument cluster for about 30 seconds after the engine is turned off
The system does not operate and the operation indicator light on the transmitter does not flash when the buttons are pressed.
The system's operational range is reduced.
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 below.

Replacing the key battery

Press the knob and pull out the auxiliary key.

Mazda 3. Replacing the key battery

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

Mazda 3. Replacing the key battery

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

Mazda 3. Replacing the key battery

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

Mazda 3. Replacing the key battery

Remove the battery cap, then remove the battery.

Mazda 3. Replacing the key battery

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

Mazda 3. Replacing the key battery

Close the cover.

Mazda 3. Replacing the key battery

Reinsert the auxiliary key.

CAUTION

Be careful not to allow the rubber ring shown in the fi gure to be scratched or damaged.
If the rubber ring detaches, reattach it before inserting a new battery.

Mazda 3. Replacing the key battery

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