See also:

Continuously Variable Transmission (CVT) check warning light (if so equipped)
When the ignition switch is placed in the ON position, the light comes on for about 2 seconds. If the light comes on at any other time, it may indicate the CVT system is not functioning properly. ...

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 ...

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. ...