Replacing the Key Battery

If the transmitter button does not work and the indicator light does not flash, the battery may be discharged.

Replace the battery before the transmitter stops working.

CAUTION

Make sure the battery is inserted correctly. If the battery is inserted incorrectly, electrolyte may leak from it.

When replacing the battery, take care not to bend or grease the battery contacts. Also take care not to get dirt inside the transmitter, as it may be damaged.

If the battery is inserted incorrectly, there is a risk of explosion.

Dispose of used batteries in accordance with the instructions below.

• Insulate the negative and positive terminals of the battery with cellophane or adhesive tape.
• Never open the battery.
• Never throw the battery into fire or water.
• Never deform or crush the battery.

Use only batteries of the same type (CR2025 or equivalent).

The following circumstances indicate a low battery charge:

• The key indicator light (green) in the instrument cluster flashes for 30 seconds after the engine is turned off
• The system does not work and the transmitter indicator light does not flash when the buttons are pressed.
• The operating range of the system is reduced.

It is recommended that the battery be replaced at an Authorized Mazda Service Center to avoid damaging the key. If you decide to replace the battery yourself, follow the instructions below.

Replacing the Key Battery

1. Press the lever and remove the mechanical key.

2. Using a flat-blade screwdriver wrapped in tape, turn it in the direction shown by the arrow and gently pry the case open.

3. Insert the flat-blade screwdriver wrapped in tape into the gap and move it in the direction shown by the arrow.

4. Using the flat-blade screwdriver wrapped in tape, turn it in the direction shown by the arrow and remove the case.

5. Remove the battery cover and the battery.

6. Install the new battery with the positive (+) side facing up, and reinstall the battery cover.

7. Close the case.

8. Reinstall the mechanical key.

CAUTION

• Be careful not to damage the rubber ring shown in the illustration.
• If the rubber ring comes off, place it back in position before installing the new battery.