how to change front turn signal light bulbs??

Go buy new bulbs,part number 4157NA.Turn off the Corvette's engine and make sure the vehicle is in park. Put on some gloves. Remove the three small screws on the black plastic casing surrounding the headlight unit. This enables you to pull out the headlight. Reach down and around the headlight unit and locate the bulb holder. Release the bulb holder by squeeze the plastic clip to unlock the bulb and rotating it counterclockwise to remove it. Place the new bulb into the headlight unit. Rotate it clockwise in the unit and push the plastic clip into it to lock the bulb into place. Push the headlight unit back into the vehicle. Reattach the plastic casing and reinstall the three screws keeping it in place. Test to make sure the turn signal works. Repeat on the other turn signal if necessary.