smart key

A smart key is an electronic access and authorization system that is available either as standard equipment, or as an option in several car designs. It was first developed by Siemens in 1995 and introduced by Mercedes-Benz under the name "Keyless-Go" in 1998 on the W220 S-Class, after the design patent was filed by Daimler-Benz on May 17, 1997.

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  1. R

    Smart Key Not Detected

    Hello. As the title says, I get the "smart key not detected" warning. The warning only comes up when I stop driving and get out of the car. That is, after the trip is over. I can lock and unlock the car. However, the warning comes up every time I leave the car at the end of a trip. Same with the...
  2. S

    Key unlocks doors but car won't start

    I've recently purchased a MG HS and when my partner tried her key to use the car the car unlocked fine but the car wouldn't start and the dash said "smart key not detected" and "place in backup position" does anyone have any idea how to resolve this?
  3. cyberthai

    Smart key not detected by Cyberster (solved)

    Recently I experience that the key is not dedected. I changed the battery already (key is scratched now 😭) but no difference. I took out everything what could cover the sensor in the middle compartment. Same problem. It only dedects the key if I put the key in the middle console touching the NFC...
  4. P

    Smart key not detected -solution

    Just a PSA Had to call AA a couple of weeks back when my mg5 wouldn't start. Kept saying smart key not detected, AA disconnect the 12V battery and it didn't help. Apparently it was a known issue, all I had to do was to lock and unlock the car via the app and all was good again. Couldn't find...
  5. STG

    Question about smart key

    This morning on the way to work I got a message on the screen saying smart key not detected. OK, so I had the in my right hand trouser pocket (as usual), I unlocked the car by pressing the handle button and got in, then pressed the brake to get into ready mode and off I went to work, about 10...
    • STG
    • Thread
    • key mg4 smart smart key
    • Replies: 7
    • Forum: MG4 EV Forum
  6. phil99

    MG4 Factory Default - Smart Key Not Detected

    I may have brought this upon myself but I don't know - the timing doesn't quite work. This morning I was trying to set up the iSmart app and found my partner had already half-done it on their phone/account. I thought perhaps a factory default might get it back to "un-bound". That didn't work (I...
  7. Hage52

    any one has sidesteps installed on his EHS or HS?

    i ordered sidesteps anyone has them installed already?
  8. Hage52

    Smart key

    Anyone has the smart key and how is it?
  9. S

    MG4 Smart key not detected. Alarm going off.

    Just got into my MG4 SE SR. pressed the brake pedal to select D for drive and a warning appeared on the screen in front of me “Smart Key Not Detected” then the car alarm was going off. First thing I tried was to make sure the door opened which it did. I have had to disconnect the 12v battery. I...
  10. A

    Smart Key Not Detected Car Not Starting

    Help Please!! My MG ZS EV 2021 Exclusive - is in a Bodyshop for some minor repairs. It was driving and starting all ok. However, after the front driver door loom was unplugged. The car wouldn’t start. There are 2 messages on the dash ‘Smart Key Not Detected’ & ‘Put Key In Backup Position’...
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