Chevrolet 1999 Prizm Owner's Manual page 253

Sidemarker/Turn Signal Lamps
1. Remove the headlamp assembly. See "Headlamps"
earlier in this section.
2. Remove the front sidemarker assembly by
pulling forward.
3. Turn the lamp socket counterclockwise.
4. Push and turn counterclockwise to remove the bulb.
5. Reverse the steps to install the new bulb and replace
the assembly.
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