2013 Toyota Land Cruiser Owners Manual - Page 542

4-3. Do-it-yourself maintenance Electronic key battery Replace the battery with a new one if it is discharged. n You will need the following items: l Flathead screwdriver (To prevent damage to the key, cover the tip of the screwdriver with rag.) l Small Phillips-head screwdriver l Lithium battery CR1632 n Replacing the battery STEP 1 Take out the mechanical key. 4 STEP 2 Remove the cover. Maintenance and care 553 L/C200_U (OM60G36U)