Acura 2016 RDX Online Reference Owner's Manual page 361

uuReplacing Light BulbsuSide Turn Signal Light/Emergency Indicator Light Bulbs
Coupler
Side Turn Signal Light/Emergency Indicator Light
Bulbs
Door mirror side turn light bulbs are LED type. Have an authorized Acura dealer
inspect and replace the light assembly.
* Not available on all models
360
3. Push the tab to remove the coupler.
4. Rotate the old bulb to the left to remove.
5. Insert new bulb.
Bulb
Tab
1Fog Light Bulbs *
Insert a flat-tip screwdriver, lift and remove the
central pin to remove the clip.
Central pin
Insert the clip with the central pin raised, and push
until it is flat.
Push until the
pin is flat.