Acura RLX 2017 Owner's Manual page 467

uuReplacing Light BulbsuTaillights
Taillights
Taillights are LED type. Have an authorized Acura dealer inspect and replace the light
assembly.
Back-Up Light Bulbs
When replacing, use the following bulbs.
Back-Up Light: 16 W
Bulb
Socket
466
1. Remove the cover.
Cover
2. Turn the socket counter-clockwise and
remove it, then remove the old bulb.
3. Insert a new bulb.