Starting when key is not detected?

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My Name: C3driver52

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Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 79984
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
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How do you start the engine on a 2017 Citroen C3 when the car says the 'key not detected'?

There is an emergency key scanner in the Citroen C3 models that have remote key starting for times that the remote key detector is not working or the battery is flat in the remote fob.


Use the procedure below to perform an emergency starting of the Citroen C3

Citroen C3 key not detected starting procedure
Citroen C3 key not detected starting procedure
Citroen_C3_2017_key_not_detected_fix_.png (220.24 KiB) Viewed 31 times
  • Place and hold the remote control against the backup reader.
  • If your vehicle has a manual gearbox, place the gear lever in neutral then fully depress the clutch pedal.
  • If your vehicle has an automatic gearbox, select position P then press the brake pedal firmly.
  • Press the "START/STOP" button.
  • The engine starts.
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