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March 22, 2018 Service bulletin

Some customers may complain of condensation/fog inside the front (headlamp/headlight) or rear...

Mazda technical service bulletin 09-011-18-3448 for 2004-2018 Mazda MAZDA3, 2013-2018 Mazda CX-5 and 2003-2018 Mazda MAZDA6 and others.

Bulletin number
09-011-18-3448
Component
Exterior lighting: tail lights
Summary
Some customers may complain of condensation/fog inside the front (headlamp/headlight) or rear (taillamp/taillight) combination lights. The recent new models have been fitted with a clear lens which can cause the symptom to be more noticeable, however, it does not affect the performance of the light. This condensation/fog is a natural phenomenon that occurs when there is a fairly large temperature difference between the inside and the outside of the light housing. It is normal for very small water drops to appear incertain locations on the light units where the air is stagnant (condensation), making the lens look whitish (fog). This happens mostly in the corners and narrow spaces, and will typically clear during warmer ambient temperatures, or when the lights have been on for some time.

Owners of these vehicles have filed 593 complaints in the lights category.

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