If the backup remote is able to unlock the doors then you know that it is a problem with the key fob and not with your vehicle s locking system.
Turn on auto door lock feature on 2018 corolla im.
To make the doors automatically lock when the vehicle reaches 12mph shift the gear to n then press and hold the lock button on the door.
With the key set to on and all of the doors shut you will auto lock the doors when you move out of park with the shift lever.
Press the unlock button then press lock again.
How to disable and enable toyota auto door lock unlock feature.
It will beep twice if you re reactivating the system.
In turn all the doors will auto unlock when you turn the key to off while the shift lever is in park.
Caution to prevent an accident observe the following precautions while driving the vehicle.
The horn will beep once to tell you that auto lock was deactivated.
For accessories purchased at the time of the new vehicle purchase the toyota accessory warranty coverage is in effect for 36 months 36 000 miles from the vehicle s in service date which is the same coverage as the toyota new vehicle limited warranty 1 for accessories purchased after the new vehicle purchase the coverage is 12 months regardless of mileage from the date the accessory was.
Rather than starting the engine turn the key to on.
Within five seconds after the key is turned on push and hold the driver s side power door lock switch for about five seconds.
Failure to do so may result in a door opening and an occupant falling out resulting in death or serious injury.
If you have a second key remote and you haven t already done so check to make sure this works so you can be certain it isn t a problem with the door lock functionality.
Always lock all the doors.
One flash indicates mode 1 two flashes mode 2 three flashes mode 3 and four flashes mode 4.
Turn the key back one place to acc then turn it back to on.
Turn the ignition back to off and listen for the horn to beep one time confirming that the programming was accepted.
Turn off your car close all the doors and leave your seat belt off.
Always use a seat belt.
Ensure that all doors are properly closed.