2008 Nissan 350Z Owner's Manual - Page 113

KEYS duplicated by a NISSAN dealer. not given to your dealer at the time of registration will no longer be able to start your vehicle. NISSAN VEHICLE IMMOBILIZER SYSTEM KEYS You can only drive your vehicle using the master or valet keys which are registered to the NISSAN Vehicle Immobilizer System components in your vehicle. These keys have a transponder chip in the key head. The master key can be used for all the locks. The valet key cannot be used for the rear floor box lock. To protect belongings when you leave a key with someone, give them the valet key only. Never leave these keys in the vehicle. Additional or replacement keys: If you still have a key, the key number is not necessary when you need extra NISSAN Vehicle Immobilizer System keys. Your dealer can duplicate your existing key. As many as 5 keys can be used with one vehicle. You should bring all the registered keys that you have to a NISSAN dealer for registration. This is because the registration process will erase the memory of all key codes previously registered into the NISSAN Vehicle Immobilizer System. After the registration process, these components will only recognize keys coded into the NISSAN Vehicle Immobilizer System during registration. Any key that is CAUTION Do not allow the NISSAN Vehicle Immobilizer System key, which contains an electrical transponder, to come in contact with salt water. This could cause the system to malfunction. SPA1379D 1. Master keys* 2. Valet key* 3. Key number plate (* With built-in transponder chip) 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 a NISSAN dealer for duplicates by using the key number. NISSAN does not record any key numbers so it is very important to keep track of your key number plate. A key number is only necessary when you have lost all keys and do not have one to duplicate from. If you still have a key, this key can be 3-2 Pre-driving checks and adjustments