Park/Turn Signal/Side Marker Lamp Bulb Replacement Envoy

1. Open the hood.
2. Remove the headlamp. Refer to Headlamp Bulb Replacement .



3. Rotate the bulb and socket counterclockwise in order to remove the bulb and socket from the housing.
4. Remove the side marker bulb (3) or turn signal/park bulb (4) from the socket.

1. Install the side marker bulb (3) or turn signal/park bulb (4) to the socket.
2. Wipe the bulb with a clean cloth to ensure the bulb is free of any dirt or oil.
3. Install the bulb and socket to the headlamp by rotating the bulb and socket clockwise, locking the retaining tabs to the headlamp.
4. Install the headlamp. Refer to Headlamp Bulb Replacement .
5. Close the hood.

Park/Turn Signal/Side Marker Lamp Bulb Replacement TrailBlazer

1. Open the hood.



2. Rotate the bulb and socket counterclockwise in order to remove the bulb and socket from the housing.
3. Remove the side marker bulb (4) or turn signal/park bulb (3) from the socket.

1. Install the side marker bulb (4) or turn signal/park bulb (3) to the socket.
2. Wipe the bulb with a clean cloth to ensure the bulb is free of any dirt or oil.
3. Install the bulb and socket to the headlamp by rotating the bulb and socket clockwise, locking the retaining tabs to the headlamp.
4. Close the hood.