Locking doors
1. Place the ignition switch in the LOCK position.
2. Close all doors.
3. Press the 
button on the
Intelligent
Key.
4. The hazard warning lights flash twice and
the horn beeps once.
5. All doors will be locked.
CAUTION
After locking the doors using the Intelligent Key, be sure that the doors have been securely locked by operating the door handles.
See also:
How to use the Vehicle Information Display
Press the button, located on the
instrument
panel just behind the steering wheel, to
display the following modes:
MPG→ MPG/MPH → Time/Miles → Range →
Exterior Temperat ...
Safety
Traction control is available on select models. The Frontier offers advanced
brake controls in 4x4 models, including an electronic stability system, Hill
Descent Control and Hill Start Assist. HDC ...
Checking seat belt operation
Seat belt retractors are designed to lock seat belt
movement by two separate methods:
● When the seat belt is pulled quickly from the
retractor.
● When the vehicle slows down rapidly.
...