Question is unclear. If you are saying that your 'headlights-on alarm' did not work - check the fuses first.
crown Victoria blower not working and head lights.
check the fuses for the head lights check the fuses for the head lights
It's the head lights only.
On a 2002 Mercury Mountaineer : Put your low beam head lights on and pull the headlight selector switch towards you
Your alternator is not working properly
One or more of the tail lights, head lights, or brake lights is out.
Check the fuses? Check the light switch?
does 2002 inifiniti QX4 have an electrial panel to control each head light (low & high beam)?
Be sure the bulbs are not blown.
Turn signals not working nor back up lights. However the head lights are working and rear lights are also working
check the lights could be a break light head light or running light is out
Apply the e-brake.