Honda Ridgeline Owner's Manual page 266

Lights
5. Turn on the lights to make sure
the new bulb is working.
6. Reinstall the light assembly in the
bumper.
260
Replacing a Bed Light Bulb
1. Remove the mounting screw from
the bed light assembly.
2. Pull out the light assembly.
3. Remove the socket from the light
assembly by turning it one-quarter
turn counterclockwise.
4. Pull the bulb straight out of its
socket. Push the new bulb straight
into the socket until it bottoms.
5. Push the socket into the light
assembly, and turn it clockwise
until it locks.