Checking bulbs
With all doors closed, apply the parking brake and place the ignition switch in the ON position without starting the engine. The following lights will come on:

If equipped, the following lights come on briefly and then go off:

If any light fails to come on, it may indicate an open circuit in the electrical system.
Have the system repaired promptly.
See also:
Exterior
A new dark gray body color is available; it's called Night Armor. The
Frontier is only available in King Cab (extended cab) and crew cab body styles
with either a 4x2 or 4x4 drivetrain.
Tough PR ...
Hazard warning flasher switch
Push the switch on to warn other drivers when
you must stop or park under emergency conditions.
All turn signal lights flash.
WARNING
● If stopping for an emergency, be sure to
move the v ...
Checking engine oil level
1. Park the vehicle on a level surface and apply
the parking brake.
2. Start the engine and let it idle until it reaches
operating temperature.
3. Turn off the engine. Wait more than 10
minu ...
