Passenger side head light, build up of moisture in the sealed unit, results in loss of headlight beam, degraded over 50 - 75%. unable to access headlight inside where moisture accumulates to wipe clean. dealer claims only solution is another assembly (problem will probably repeat). safecar shows a tech bulletin, nissan claims it will dry, this is not the case and it degrades. this is a safety issue as the moisture and water degrades the vehicles headlight. customer unable to access a sealed assembly. *tr