How to Replace the Remote Battery for Mazda6?

[DeAna]

Mazda6 key battery replacement steps are as follows: 1. Open the key head and look inside the folding key slot, paying attention to the black square located slightly to the right of the center - this is the lock for the upper part of the key. 2. Find a suitable tool and gently press against that point. 3. While pressing, pull apart the upper part of the key to successfully separate it. 4. Observe the cross-section structure, noting there's a long groove at the center top of the key cross-section. 5. Insert a flathead screwdriver into the groove and twist it. 6. After successful separation, remove the old battery and install the new one, being careful not to reverse the polarity. The battery model is CR1620.