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>REMOVAL201902,202208,_V1,_078672,_0384284,RM100000001GFVX,202208,999999,_V1,_078672,_0384284,RM1000000024I7R,
81550N 2.INSTALL BACK-UP LIGHT BULB
Click hereGeneral>MAINTENANCE>BACK-UP LIGHT BULB>INSTALLATION201902,202208,_V1,_078672,_0384284,RM100000001GFVY,202208,999999,_V1,_078672,_0384284,RM1000000024I7S,