Toyota HILUX SC Owner's Manual page 706

Remove the depleted battery.
3
Insert a new battery with the "+"
terminal facing up.
Vehicles with 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.
HILUX_OM_OM0K440E_(GE)
7-3. Do-it-yourself maintenance
705
7