Nissan LEAF 2023 Owners Manual
12.15.2.2. Tyre age
Never use a tyre over six years old, regardless of whether it has been used or not.
Tyres degrade with age as well as with the vehicle usage. Have the tyres checked regularly and balanced by a repair shop or, if you prefer, a knowledgeable LEAF repairer such as a NISSAN certified electric vehicle dealer.
Owners Manual