See also:

Nissan Intelligent Key™ door buzzer (if so equipped)
The Intelligent Key door buzzer sounds if any one of the following improper operations is found. ● The ignition switch is not returned to the LOCK position when locking the doors. ● ...

Automatic door locks
- All doors lock automatically when the vehicle speed reaches 15 MPH (24 km/h). - All doors unlock automatically when the ignition switch is placed in the OFF position. The automatic unlock func ...

Safety
The Sentra received a Good overall rating — the highest possible score — in the Insurance Institute for Highway Safety's frontal-offset and side-impact crash tests. It received the next-best s ...