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. ● ...

Operating range
The Intelligent Key functions can only be used when the Intelligent Key is within the specified operating range. When the Intelligent Key battery is discharged or strong radio waves are present ne ...

2008 Nissan Sentra review
This review focuses on the sportiest Sentra trim level, the SE-R Spec V. I already reviewed the regular 2007 Sentra, and that model is mostly unchanged for 2008. For more on the Sentra, read that ...