Look in the trunk, there is a cover over the light assembly - open and you will have access to change the light.
Open trunk and remove screws that secure light assembly to car. Pull assembly straight back to remove from car. Remove the dead light and replace with proper new light. Install in reverse order of removal.
Question isn't clear. Are you asking how do you replace the bulb -OR- how to remove the entire lens assembly?
It's removed from inside the rear compartment. Open the rear hatch and on the inside of the light you will find a snap-off cover. open it and remove the light assembly with a 1/4 turn. The bulb assembly should pop out
There are numerous features that come standard on a Toyota Prius. Some of the features that come standard on a Toyota Prius are light-emitting diode headlights, the smart key system, and anti-lock disc brakes.
Open the trunk; Remove the trunk liner; Remove the bulbs/wiring; locate the bolts securing the tail light assembly to the body; Remove the nuts; lift the assembly away. Cheers
Open the tailgate and look between the tail light assembly and the tailgates weather striping. You will see two galvanized Phillips head screws. Remove them and pull outward and the tail light unit will pop out. The bulbs are screwed into the back of the tail light assembly.
To reset the engine light on a Toyota Prius, disconnect the negative battery cable and let off for about five minutes, then reconnect it. The light should go off after the first couple start ups.
On a 2012 toyota Highlander, How do you replace tail light Assembly
You will need to remove the tail light covers in the cargo compartment. Remove the wiring harness. Remove the tail light assembly retaining bolts.
On my 05 Prius the problem was the axle height sensor located near the left rear wheel.
Open tailgate and you will find two bolts that hold brake/tail light assembly in place. Remove the two bolts and the assembly can be pulled out. Turn the brake light base counterclockwise a quarter turn, pull the bulb out directly, snap the new one in and then re-install the light assembly unit.