Toyota 2015 Corolla Owner's Manual page 437

464
7-3. Do-it-yourself maintenance
Open the case cover using a
3
coin protected with tape etc.
and remove the depleted bat-
tery using a small flathead
screwdriver.
Insert a new battery with the "+"
terminal facing up.
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
Insert a new battery with the "+"
terminal facing up.
COROLLA_TMMMS_TMMC_U (OM12F00U)