(1) during limited visibility conditions required lighting must be switched on when on a highway

(2) Parking lights & lights other than clearance, identification & marker lights mounted on vehicle's front & designed to be lit primarily when the vehicle is parked must be off when driving on a highway during limited visibility conditions except:

(a) when the lights are being used as turn signals OR

(b) the headlights are on at the same time.

(3) during limited visibility conditions attended/unattended vehicle parked/stopped on roadway or shoulder must have on parking lights

(6) during limited visibility conditions must use a distribution of light or composite beam directed sufficiently high & with enough intensity to reveal people & vehicles on the highway at a safe distance in advance of the vehicle. Not complying with the following is a violation:

(a) When approaching an oncoming vehicle within 500 ft, must use a distribution of light or composite beam aimed so that the glaring rays don't projected into the eyes of the oncoming driver. low beams are at all times

(b) Except when overtaking or passing, when following another vehicle within 350 ft to its rear must use the low beams headlights

(7) only 4 or fewer lights mounted on a vehicle's front & each having a beam intensity greater than 300 candlepower can be on at the same time when on a highway

(8)(a) a light, other than a headlight, with beam intensity greater than 300 candlepower must not be operated on a vehicle

(A) Unless beam is directed so that no part of it's high intensity portion strikes the level of roadway on which the vehicle stands at a distance greater than 75 ft from the vehicle OR

(B) Except as provided in (b) below. when using the low beams is required per (6) above

(b) up to 2 lights other than and no more intense than the headlight low beam can be lighted on a motorcycle. A motorcycle may not be operated with more than two lights, other than headlights, under this paragraph.

(9) Spotlights: must be off when approaching another vehicle unless it's aimed & used so that no part of the beam's high-intensity portion is aimed more than 100 ft in front of the vehicle to the left of the imaginary line extending forward from the extreme left side of the vehicle to which it's mounted

(10) Auxiliary lights: mounted greater than 54in must be off when on a highway

(11) can't use back-up lights when going forward.

(17) headlights on parked vehicle must be dimmed.