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 keyfob (if ...

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 ...

Instrument brightness control
The instrument cluster illuminates when the ignition switch is in the ON position. The instrument brightness control operates when the headlight control switch is in the AUTO, or position. ...