Pontiac 2006 Grand Prix - Manual (Page 115)

Cupholder(s)
There are two cupholders in the front of the
center console.
Cupholder Installation
Your vehicle may also have a rear cupholder that can
be installed by aligning it to the console and snapping it
into place.
Cupholder Removal
Remove the rear cupholder by pulling it from the
console.
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