See also:

Freeing a frozen door lock
To prevent a door lock from freezing, apply deicer through the key hole. If the lock becomes frozen, heat the key before inserting it into the key hole or use the remote keyless entry function on ...

Reporting safety defects (US only)
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) ...

NISSAN Intelligent Key™
Your vehicle can only be driven with the Intelligent Key which are registered to your vehicle’s Intelligent Key components and NISSAN Vehicle Immobilizer System components. Never leave these key ...