The keyless entry / keyless start was working fine until the week of Aug 21 2023. Early in the week the truck recieved an OTA update (about 15 minute install). I think the keyless unlock quit working after that one. Near end of the week there was another OTA update (this time about a 5 minute install).
A keyless entry system allows you to lock and unlock your car without using a mechanical key. Nowadays, most keyless entry systems use a transmitter fob to generate the lock and unlock signal. The first keyless entry systems included a numeral pad placed on the driver or front passenger door. Besides locking and unlocking the doors, by entering

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First my speedo died a few months ago, and now my keyless entry seems to have given up. About 2 weeks ago keyfob #2 suddenly quit working, no warning, no loss of range, just stopped working. I assumed that the battery was dead, so I just started using the other clicker. Then a couple days ago that one stopped working too.
Central locking wont work off key fob after changing battery in it. citroen c2 2007. C2. The key fob reset as - Answered by a verified UK Auto Mechanic
Having a keyless entry system I usually just touch the door handle, sit in the car and start up the engine. This time I opened the door by pressing the button on the remote, put the key in the holder behind the wheel, started the motor, kept running it for half a minute, stopped, got out of the car and closed it using the remote controller again. Post. CitroenNoticer. Mon Jun 13 2016, 03:27pm. Member No: #41033. Joined: Jun 21 2015. Location: Lymm. Hi. I have a 2014 C4GP 1.6 hdi exclusive+ and the keyless entry unlock and lock has suddenly stopped working on the driver side. The passenger side works fine and the keyless start is also okay. Petrol and diesel models for the moment offer a lower entry into the C4 range than the electric C4 and there is a good selection available. Engine options include the 1.2-litre PureTech petrol engine with 100, 130 or 155 hp or the 1.6-litre BlueHDi diesel with 110 or 130 hp. 6-speed manual and EAT8 automatic gearboxes are available for both
Perhaps the key was closer to the keyless antenna when you tried the back door. There's an antenna in the top (forward) section of each rear door on an XC90. An XC60 is probably the same. Alternatively, there is a problem with the driver's door handle.
Follow the instructions below to reset the Service Minder light on your Citroën C4 Cactus: Turn the ignition to “S” position for the steering lock. Make sure your vehicle is stopped completely. Press and hold the button on the end of the lighting control stalk. The button is located on the instrument cluster.

power folding mirror switch and the vehicle. is in P (Park), they may be automatically. folded/unfolded as follows: 1. If doors are locked by double pressing (lock symbol) on the remote key, the mirrors may fold. If doors are unlocked by double pressing. (unlock symbol) on the remote key, the mirrors may. unfold.

Turn ignition off, replace a new key, turn on ignition within 15 sec. Program completed. Manually reprogram remote control: 1.Switch ignition off and remove key. 2.Insert a key and switch ignition on. 3.Press any button of the remote key for 10 sec then release within 20 sec. 4. Switch ignition off and remove key. Test the remote key.
3. Push the Trip Odometer button once and release (Image B). 4. Push the Trip Odometer button again and hold for five seconds. 5. Within five seconds push and hold the Fuel Information button for
Troubleshooting Chrysler 300 Keyless Entry Not Working. If your Chrysler 300’s keyless entry is not working, there are a few things you can try before seeking professional assistance. Here are some troubleshooting steps: Check the battery: If the battery in your key fob is dead, your keyless entry will not work. Replace the battery and see if
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