See also:

Clearing the programmed information
Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...

Overview
The five-seat Sentra sits between the subcompact Versa and the midsize Altima in Nissan's sedan lineup. Regular Sentras come in base 2.0, 2.0 S, 2.0 SR and 2.0 SL trim levels. The Sentra is an alt ...

Battery replacement
CAUTION: Be careful not to allow children to swallow the battery or removed parts. ...