I just replaced a headlight bulb in my 2001 Pontiac Grand Prix GTP (with lovely galaxy silver metallic paint) and took pictures of the process to create a quick guide.
Replacing the turn signal bulb doesn't require any tools, but you'll need a wrench or socket to remove the headlight assembly and access the headlight bulb.
Here's my guide -
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I hope someone finds it to be useful.Cheers, Paul Michaels Ft. Lauderdale, FL