Program alero key

Again, ensure that the ignition remains in the "Off" position. Insert the key into the ignition, then release the "Unlock" button. The vehicle's horn will sound three times, indicating that the vehicle has entered "Program Mode. Press and hold both the "Lock" and "Unlock" buttons on the keypad that you would like to program. Continue to hold the buttons until the vehicle's horn sounds two times, which will take approximately 15 seconds.

Repeat this step for each additional keypad that you would like to program. Andrew Todd has been writing since He has written for the Consumer Search website and the U. Attorney's Office for the Middle District of Florida. Step 1 Sit in the driver's seat of the Alero and close all of the doors. Step 2 Insert the key into the ignition and turn it to the "On" position, then return to the "Off" position.

Step 3 Remove the key from the ignition. Step 4 Press and hold the door "Unlock" button on the driver's side door handle. Step 5 Insert the key into the ignition, then remove it. Install the app. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser. Reprogramming keyless entry key fob for alero.

Thread starter gomestr Start date Oct 6, Joined Oct 6, Messages 1 Reaction score 0 Points 0. Does anyone know if there is a procedure for doing this that doesn't require a diagnostic machine, or taking it to the dealer? I just got a replacement for a lost key fob, its a spare key fob from another alero that i want to reprogram to my car. I understand that i will have to reprogram all of them at one time, but none of the procedures i have found online specified for and models work on my car.

Anyone know?