Auto relock
When the 
button on the keyfob is pressed,
all doors will lock automatically within 1 minute
unless one of the following operations is performed.
● Any door is opened.
● A key is inserted into the ignition switch and the switch is cycled from OFF to ON.
See also:
Safety
At this time, the Sentra has not been crash tested by the Insurance Institute
for Highway Safety. Standard safety features include antilock brakes with
electronic brake-force distribution, active ...
Sway control device
Sudden maneuvers, wind gusts, and buffeting
caused by other vehicles can affect trailer handling.
Sway control devices may be used to help control
these affects. If you choose to use one, contact ...
Battery
If the battery is not fully charged during extremely
cold weather conditions, the battery fluid may
freeze and damage the battery. To maintain maximum
efficiency, the battery should be checked
...