5 months ago
Last edited at 9:50AM on 10/21/2013
1) Their lights are not working properly, and they need to get them fixed soon. 2) They do not have enough common sense to turn the lights on. 3) They get distracted by other things and it slips their mind to turn the lights on. 4) They do not think they need them on, but other drivers may need them on in order to notice them and avoid a car crash.
It's not required by law everywhere. In some countries it's illegal to operate a vehicle anytime without the lights on, in fact you can't turn the lights of. There is no light switch. The lights come on when you turn the key.