Toyota CAMRY 2016 Owner's Manual page 424

422
7-3. Do-it-yourself maintenance
Vehicles with a smart key system
Take out the mechanical key.
1
Remove the cover.
2
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
Remove the depleted battery
3
using a small flathead screw-
driver.
Insert a new battery with the "+"
terminal facing up.
I n f o r ma t i o n P r o v i d e d b y :