This video will guide you step by step in opening Isuzu MU7 key, replacing its battery, Useful if you are repairing this key or converting it to more stylish flip key.
MU7 key is more or less similar to the Toyota car key (one you find in Toyota Corolla, Innova or Fortuner). Its design, frequency (434 Mhz) is quite similar to Toyota cars available in India. According to label on remote, it is manufactured by same Tokai Rika Co Ltd which manufactures car remotes for Toyota too.
This remote uses single CR2016 3Volt battery.