2011 Toyota Avalon Owners Manual - Page 473

4-3. Do-it-yourself maintenance n Rear turn signal lights, stop lights and rear side marker lights Open the trunk and remove the cover as follows. Turn the bulb bases counterclockwise and remove (upper and lower), or squeeze bulb base and remove (center). Remove the light bulb. Stop light Rear side marker light Rear turn signal light ITN43A076 450 AVALON_U (OM41428U)