Pontiac 2004 Vibe - Manual (Page 265)

Center High-Mounted
Stoplamp (CHMSL)
To replace the center high-mounted stoplamp bulb, do
the following:
1. The bulb is located on the inside of the liftgate
liftglass near the top. Remove the two clips on
both sides of the cover and remove it.
2. Unscrew the two screws from the CHMSL housing
and remove the housing to expose the bulb.
3. Turn the bulb socket counterclockwise and pull it
out of the lamp housing.
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