ToyotaTank Tank M900A FWD JP 2018-11 to 2020-092018–2020
Smart-key battery
CR2032 lithium battery (electronic card key)
Own-model key battery replacement section: the electronic card key takes a CR2032 lithium battery. The manual's 3-1 キー section (PDF p.106) states that this key is handed to every customer (お客様へ次のキーをお渡しします), so the battery applies to every vehicle the manual covers.