Toyota Corolla (E170): Wireless remote control/electronic key battery

Replace the battery with a new one if it is depleted.

You will need the following items:

● Flathead screwdriver ● Small flathead screwdriver ● Lithium battery CR2016 (vehicles without a smart key system), or CR2032 (vehicles with a smart key system)

Replacing the battery

► Vehicles without a smart key system 1 Remove the cover.

To prevent damage to the key, cover the tip of the screwdriver with a rag.

To prevent the buttons from being disassembled, face the button surface downward.

2 Remove the module.

2 Remove the module.

3 Open the case cover using a coin protected with tape etc.

3 Open the case cover using a coin protected with tape etc.

and remove the depleted battery using a small flathead screwdriver.

Insert a new battery with the “+” terminal facing up.

► Vehicles with a smart key system

► Vehicles with a smart key system

1 Take out the mechanical key.

2 Remove the cover.

2 Remove the cover.

To prevent damage to the key, cover the tip of the screwdriver with a rag.

3 Remove the depleted battery.

3 Remove the depleted battery.

Insert a new battery with the “+” terminal facing up.

■Use a CR2016 (vehicles without a smart key system) or CR2032 (vehicles with

■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.

■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.

CAUTION

■Removed battery and other parts

These parts are small and if swallowed by a child, they can cause choking.

Keep away from children. Failure to do so could result in death or serious injury.

NOTICE

■For normal operation after replacing the battery

Observe the following precautions to prevent accidents:

●Always work with dry hands.

Moisture may cause the battery to rust.

●Do not touch or move any other component inside the remote control.

●Do not bend either of the battery terminals.

    Share this page:

    Other materials:

    On–vehicle inspection
    1. Check basic function (manual operation function)  turn the ignition switch on.  Check that the door glass moves up when each window switch of the regulator master switch assembly is turned up and moves down when each window switch is turned down.  Check that the do ...

    Inspection procedure
    1 Inspect shift solenoid valve(sl) Remove the shift solenoid valve sl.  measure the resistance according to the value(s) in the table below. Standard: Connect the positive (+) battery lead to the solenoid connector terminal, and the negative (–) battery lead to the so ...

    LTA (Lane Tracing Assist)
    LTA functions When driving on a road with clear lane lines with the dynamic radar cruise control operating, lane lines and preceding and surrounding vehicles are detected using the front camera and radar sensor, and the steering wheel is operated to maintain the vehicle's lane position. ...