Oldsmobile 1999 Cutlass - Manual (Page 245)

yellow blue
6-31
Front Turn Signal Lamp Bulb Replacement
1. With the hood open and the engine off, pull the
fastener out of the plastic splash shield covering the
top of the headlamp assembly and remove it.
2. Carefully pull directly up on the two latches.
3. Remove the lamp assembly from the vehicle by
pulling forward. Use care not to scratch the vehicle
with the lamp or the lamp with the fender.
4. Unclip the wiring harness and twist the bulb less
than one - quarter of a turn counterclockwise and
remove. Gently wiggle the bulb out of the socket.