If it the light has bulbs at each end and a switch in the middle, then the lenses should slide out toward the curved ends about 1/4" and then drop out in your hand. You might need to wiggle them a bit.
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🇨🇦 Scott & Janie 🇨🇦
2004 Dodge RAM 2500 CTD (slightly tweaked)
2011 Cruiser 31RK
Cooper the Golden Retriever, and
Sam the black lab.