Removing the lens
Insert a flat screwdriver under the lens and carefully exert upward pressure to release the retaining lugs.
Snap out the lens.
Use needle nose pliers to pull the bulb straight to the side. Replace the bulb. Do not exert too much pressure on the bulb with the pliers to help avoid damaging it.
Reinstalling the lens
Put the lens back into position.
Press it into place.