How do you program keyless remote for 05 Chevy Cobalt?

To program a keyless remote for a 2005 Chevy Cobalt, you can follow the steps outlined below. However, it's important to note that the programming methods may vary depending on the specific model and year of your vehicle, so it's a good idea to consult your vehicle's owner's manual or refer to reliable automotive resources for the exact procedure for your Cobalt. Here are general instructions you can follow:

1. Prepare your vehicle:

- Ensure that the car's battery is in good condition and has sufficient charge.

2. Enter programming mode:

- Sit inside the car, close all doors, and make sure the hood is closed.

- Insert your working key into the ignition and turn it to the "On" position (without starting the engine).

- Turn the key back to the "Off" position and remove it from the ignition.

3. Press the "Unlock" button:

- Use your working remote to press and hold the "Unlock" button for approximately 5 seconds. Release the button when you see the interior lights flash or hear a chime (this may vary based on the vehicle).

4. Press the "Lock" button:

- Within 5 seconds of the previous step, press and hold the "Lock" button on the working remote for approximately 5 seconds. Again, observe for any indicators like interior light flashes or chimes.

5. Insert the new remote:

- Without turning on the engine, insert the new (unprogrammed) remote into the ignition.

- Turn the key to the "On" position and then back to the "Off" position.

- Remove your key.

6. Test the new remote:

- Take the new remote and press any of the buttons to check if it successfully operates your vehicle's locks.

Please keep in mind that if the programming procedure is not successful, you might need to consult a qualified automotive professional or a car dealership to have them program the remote for you.