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 a NISSAN dealer for duplicates ...

Clearing the programmed information
Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...

If your vehicle overheats
CAUTION • Do not continue to drive if your vehicle overheats. Doing so could cause engine damage or a vehicle fire. • To avoid the danger of being scalded, never remove the radiator cap whi ...