Toyota 2014 4runner Manual page 388

386
6-3. Do-it-yourself maintenance
Replacing the battery (vehicles with a smart key system)
1
Take out the mechanical key.
2
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
3
Remove the depleted battery.
Insert a new battery with the "+"
terminal facing up.
4RUNNER (U)_(OM35A83U)