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The ability to unlock the doors and start the engine of a 2015 Toyota Corolla even when the electronic key is malfunctioning is a crucial safety and convenience feature. This capability ensures that drivers are not stranded in unexpected situations, such as when the key battery dies or the key itself is damaged, allowing drivers to access and operate their vehicle without relying solely on the electronic key. This added level of security and convenience provides peace of mind to drivers, knowing that they can always regain access to their vehicle in case of unforeseen circumstances. This article provides a step-by-step guide on how to utilize this feature effectively in your 2015 Toyota Corolla.

How to set/use the feature

Unlock the Doors if the Electronic Key Does Not Operate Properly

The following actions should be carried out using the mechanical key:

• Turn the mechanical key to the front to lock all the doors (1).
• Turn the mechanical key to the rear to unlock the driver's door (2). A second turn of the key within a 5-second interval will unlock all remaining doors.

Start the Engine If the Electronic Key Does Not Operate Properly

Step 1:

• For Continuously Variable Transmission (CVT): Ensure the gear selector is in Park (P) before pressing the brake pedal.
• For Manual Transmission (MT): Ensure the gear lever is in Neutral (N) before pressing the clutch pedal.

Step 2:

• To activate the engine switch, touch the Toyota emblem side of the electronic key to the designated area on the engine switch. A buzzer sound upon key detection, and the engine switch automatically moves to the IGNITION ON position.
• When the smart key system is disabled through the customization settings, the engine switch defaults to ACCESSORY mode.

Step 3:

• For vehicles equipped with a drive monitor display: Firmly press the brake pedal (for CVT) or clutch pedal (for MT) and confirm that the green smart key system indicator light illuminates.
• Vehicles with a multi-information display: After firmly pressing the brake pedal (for CVT) or the clutch pedal (for MT), confirm that shows on the multi-information display.

Step 4: Press the engine start button to start the vehicle.

NOTE: In the case of continued engine starting difficulties, please contact your Toyota dealership for service.