Toyota Corolla: Do-it-yourself maintenance / Wireless remote control/ electronic key battery

Replace the battery with a new one if it is depleted. As the key may be damaged if the following procedure is not performed properly, it is recommended that key battery replacement be performed by your Toyota dealer.

■ If the key battery is depleted

The following symptoms may occur:

• The smart key system (if equipped) and wireless remote control will not function properly.
• The operational range will be reduced.

Items to prepare

• Flathead screwdriver
• Small flathead screwdriver
• Lithium battery CR2032

■ Use a CR2032 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