See also:

Keys
A key number plate is supplied with your keys. Record the key number and keep it in a safe place (such as your wallet), not in the vehicle. If you lose your keys, see an INFINITI retailer for duplicat ...

Vehicle identification number (chassis number)
Vehicle identification number (chassis number) The number is stamped as shown in the engine compartment. ...

Battery replacement
CAUTION Be careful not to allow children to swallow the battery or removed parts. INFINITI Intelligent Key (if so equipped) Replace the battery in the Intelligent Key as fol ...