Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
81550N 1.REMOVE BACK UP LIGHT BULB
Click hereGeneral>MAINTENANCE>BACK-UP LIGHT BULB>REMOVAL202004,999999,_V1,_083136,_0403538,RM100000001MRJ2,
81550N 2.INSTALL BACK UP LIGHT BULB
Click hereGeneral>MAINTENANCE>BACK-UP LIGHT BULB>INSTALLATION202004,999999,_V1,_083136,_0403538,RM100000001MRK7,