Honda 2008 Ridgeline Owner's Manual page 268

Lights
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.
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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.
6. Reinstall the light assembly.
7. Turn on the lights to make sure
the new bulb is working.
8. Reinstall the mounting screw, and
tighten it securely.