Nissan Altima: Automatic door locks
● All doors lock automatically when the vehicle speed reaches 15 MPH (24 km/h).
● All doors unlock automatically when the ignition is placed in the OFF position.
The automatic unlock function can be deactivated or activated. To deactivate or activate the automatic door unlock system, perform the following procedure:
1. Close all doors.
2. Place the ignition switch in the ON position.
3. Within 20 seconds of performing Step 2,
push and hold the power door lock switch to
the 
position (UNLOCK) for more than
5 seconds.
4. When activated, the hazard indicator will flash twice. When deactivated, the hazard indicator will flash once.
5. The ignition switch must be placed in the OFF and ON position again between each setting change.
When the automatic door unlock system is deactivated, the doors do not unlock when the ignition switch is placed in the OFF position. To unlock the door manually, use the inside lock knob or the power door lock switch (driver’s or front passenger’s side).
Lockout protection
When the power door lock switch (driver’s or
front passenger’s side) is moved to the lock
position with the Intelligent Key in the port and
any door open, all doors will lock and unlock
automa ...
Child safety rear door lock (Sedan only)
Child safety locks help prevent the rear doors
from being opened accidentally, especially when
small children are in the vehicle.
The child safety lock levers are located on the
edge of the rear ...
See also:
Scheduled maintenance service
Follow Normal Maintenance Schedule if the vehicle is usually operated where none
of the following conditions apply. If any of the following conditions apply, follow
Maintenance Under Severe Usage ...
Switching on/off
Press the button. ...
Limitations
Main channel vs. sub-channels (FM only): The main channel is the only channel
that can receive in hybrid mode (both digital and analogue). If a frequency
has subchannels, they are broadcast i ...
