hid bulbs for System car bulb maintenance
If oncoming drivers forget to dip their lights, slow down and give your eyes time to adjust to avoid blindness. Never stay on full-beam to retaliate.
It is difficult to judge approaching speed in the dark so take extra care when making a manoeuvre and always allow traffic to pass when waiting to pull out at a junction.
The weather will also dictate when to usehid bulb. Use fog lights sparingly; switch them on only when visibility is below 900 metres. Leaving them on after hid headlight has disappeared is an offence 
The Institute of Advanced Automobilists has written an informative article which has some useful tips that automobilists can take advantage of. Whilst it's correct that this is more important in winter, as we all know the weather can change quickly and often without warning, so it's just as important to observe these tips in those unexpected summer thunder storms as it is in winter snow showers. Make sure you are working as they should be…
Check the hid lamps
Regularly check that all lights work. While someone observes the lights around the car, switch on each light one-by-one:sidelights indicators, brake lights, reverse lights,hid headlight ,hid bulb hazard warning lights and number plate lights.
If alone, park by a reflective surface such as a garage door, illuminate all lights in sequence and look for the reflections.
Usehid bulb
When away from street lighting, visibility is limited to the range of the head lights.This varies greatly between dipped and full-beam; slow down when driving on dipped head light.
Lights give automobilists an early warning of each other's presence. Look for approaching lights when driving around corners, adjust the position of the vehicle accordingly and dip your  to avoid dazzling other automobilists.