C3 2003 to 2012 (1st generation)

✔ How to open:

• He has visible mechanical lock on the driver’s side door.
• Just use the physical key and rotate.

⚠ Common problem:

• The center gets hard because almost no one uses it.
• Use spray graffiti If it’s stuck.

C3 2013 to 2019 (2nd generation)

✔ How to open:

• The driver’s side door lock is hidden behind a lid.
• You need to remove the handle finishpulling with a fingernail or key.

Step by step:

1. On the driver’s side door handle, there is a rectangular plastic cover.
2. Pull outwards (sideways).
3. The lock will appear.
4. Insert the physical key (which is inside the switchblade key).
5. Rotate manually.

⚠ Note:

• In some cars, the center is rusty. Lubricate with graphite.

C3 2020 to 2022 (pre-New C3 — final batches)

✔ How to open:

• Similar to the previous generation, with Hidden lock behind the cover. on the handle.

Identical step-by-step process:

1. Remove the side cover from the handle.
2. Use the physical key.
3. Turn slowly.

C3 2023 to 2025 (New Indian-Brazilian C3)

✔ How to open:

• The New C3 also has hidden mechanical lockBut the shape of the lid is different.

How to access:

1. On the outer handle, on the left side, there is a small cap.
2. Take the physical key (it’s inside the flip key).
3. Insert the key under the cover and gently detach.
4. The lock appears.
5. Rotate and unlock manually.

⚠ Note:

• The lid is fragileAvoid forcing it.
• The ignition coil may be stiff in new cars — turn it slowly.

C3 Aircross 2024–2025 (new Indian generation)

✔ How to open:

• Same system as the New C3.
• The lock stays hidden in the driver’s side door handle with a small lid.

Step by step:

1. Remove the side cover.
2. Take the physical key (it’s inside the keyless entry switchblade).
3. Turn to open.

⚠ In automatic versions with push-button start:

• The physical key is inside the keyless entry system.
• Open the control panel to access the blade.

What if the door won’t unlock even with the key?

In any given year:

Try this:

• Apply spray graffiti (Do not use WD40).
• Force with a slight inclinationbecause the mechanism may be jammed.
• Use a spare key, which is sometimes less worn.

If nothing else works:

• One automotive keychain It can open without damage.
• It can also charge the battery and reprogram the key.