Toyota TUNDRA Oct. 2009 Owners Manual

Wireless remote control battery

4-3. Do-it-yourself maintenance
Wireless remote control battery
Replace the battery with a new one if it is discharged.
You will need the following items:
Lithium battery CR2032
Replacing the battery
Remove the cover using a
coin protected with tape etc.
Remove the discharged trans-
mitter battery.
Insert a new battery with the
“+” terminal facing up.