TOYOTA 2011 Sienna - Manual (Page 522)

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3-4. Using the rear audio system
■ Before using the remote controller (for new vehicle owners)
■ When the remote controller batteries are fully depleted
■ If the remote controller batteries are discharged
The following symptoms may occur.
● The rear seat entertainment system control will not function properly.
● The operational range is reduced.
■ When using AA batteries
Batteries can be purchased at your Toyota dealer, electric appliance shops,
or camera stores.
Replace only with the same or equivalent type recommended by a Toyota
dealer.
Dispose of used batteries according to the local laws.
Remove the cover.
Remove the insulating sheet.
STEP 1
STEP 2
Remove the depleted batteries and install
new 2 AA batteries.