1. Open the SC300 hood for access to the back of the headlight
assemblies. Then trace the wires to the faulty headlight.
2. Unsnap the wiring connector at the back of the headlight
assembly by raising the locking tab up and pulling the wiring
harness off the back of the headlight. Scoot the wiring to the
side.
3. Now, pull the dust cover out of the assembly by pulling it by
hand. This will grant you access to the back of the headlight
assembly.
4. After that, twist the headlight counterclockwise to free it
from the assembly. Pull it straight out. Dispose of it once it is
out of the assembly.
5. Next, push in the new headlight. Ensure that the tabs on the
headlight match up with the notches on the headlight assembly. Turn
the headlight clockwise to lock it in the assembly. Tug the
headlight to ensure it is locked in properly.
6. Finally, push the dust cover back onto the back of the
headlight assembly. Plug in the headlight wires. The wires will
lock in place once it is pushed on far enough.