Toyota Highlander Hybrid 2017 Owner's Manual page 557

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License plate lights
Remove the lens.
1
Insert a properly sized screwdriver into the hole of the lens on the
inner side and disengage the claw and pry the lens toward the
outer side as shown in the illustration.
To prevent damaging the vehicle, wrap the tip of the screwdriver with
tape.
Remove the light bulb.
2
When installing, reverse the steps listed.
3
HIGHLANDER_HV_U (OM48F12U)
7-3. Do-it-yourself maintenance
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