Toyota COROLLA Owner's Manual page 415

Remove the depleted battery.
3
Insert a new battery with the "+"
terminal facing up.
 Vehicles with a smart entry & start 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
Insert a new battery with the "+"
terminal facing up.
7-3. Do-it-yourself maintenance
413
7