Toyota Camry: Use a CR2016 (vehicles without a smart key system) or CR2032 (vehicles 
with a smart key system) lithium battery - Wireless remote control/electronic key battery - Do-it-yourself maintenance - Maintenance and care - Toyota Camry Owners ManualToyota Camry: Use a CR2016 (vehicles without a smart key system) or CR2032 (vehicles with a smart key system) lithium battery

●Batteries can be purchased at your Toyota dealer, local electrical appliance shops or camera stores.

●Replace only with the same or equivalent type recommended by the manufacturer.

●Dispose of used batteries according to local laws.

    Replacing the battery (vehicles with a smart key system)
    Take out the mechanical key. Remove the cover. To prevent damage to the key, cover the tip of the screwdriver with a rag. Remove the depleted battery using a small flathead screwdriver. ...

    If the key battery is depleted
    The following symptoms may occur: ●The smart key system and wireless remote control will not function properly. ●The operational range will be reduced. CAUTION ■Removed battery ...

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    Overheating
    If the temperature gauge indicates overheating, the vehicle loses power, or you hear a loud knocking or pinging noise, the engine is probably too hot. WARNING: Switch the ignition to off and mak ...

    When the tire pressure warning light comes on (if equipped)
    Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire pressure warning reset switch will not turn off the tire pressure warning light. ...

    Road surface freeze warning indication
    1) U.S.-spec. models 2) Except U.S.-spec. models When the outside temperature drops to 378F (38C) or lower, the temperature indication flashes to show that the road surface may be frozen. If th ...