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How to Replace the Remote Battery on a Mazda CX-30?

Model: Mazda Cx 30 , MK 1 - Years: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

Video tutorial

In this video tutorial, we can see how to replace the battery in the remote for the Mazda CX-30. To carry out the replacement, you will need a replacement battery model CR2032 and a small flathead screwdriver. Start by opening the rear cover using the small button located on the metal ring.

Then, insert the screwdriver tip into the indicated slot and remove the lower metal part of the remote. Finally, remove the front cover with the Mazda logo to access the battery.

Replace it while respecting the polarity and reassemble everything.


Updated on 30 April 2026 by ScegliAuto


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How to open the boot if it is stuck on a Mercedes B-Class?

On the Mercedes B-Class, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In this case, perform the emergency opening by following the simple procedure shown in this tutorial. First, unlock the locks with the remote control, then open the rear doors and, by operating the indicated lever, lower the backrest of the seat. Next, go inside the boot, locate the indicated gap, and manually unlock the lock using a small screwdriver.

Watch the video!


by ScegliAuto

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