How to Open the Mazda 3 Key to Replace the Battery?

[Terrance]

To open the Mazda 3 key and replace the battery, follow these steps: 1. Press the remote key button to remove the mechanical key; 2. Use a tool to pry open the back cover along the middle seam of the key; 3. Remove the old battery to replace it. Taking the 2020 Mazda 3 as an example, it belongs to the compact car category with body dimensions of 4662mm in length, 1797mm in width, and 1445mm in height, with a wheelbase of 2726mm and a fuel tank capacity of 50 liters. The 2020 Mazda 3 features a MacPherson strut front suspension and a torsion beam rear suspension. It is equipped with a 1.5L naturally aspirated engine, delivering a maximum horsepower of 117PS, a maximum power of 86kW, and a maximum torque of 148Nm, paired with a 6-speed manual transmission.