You will need a flat-blade screwdriver.
1. Disconnect the wire from the negative terminal of the battery.
WARNING: Attempting to remove the air bag module without disconnecting its power supply may result in unexpected air bag deployment.
WARNING: The following airbag removal operations can only be performed after the activator capacitor has been completely discharged. Wait at least 10–15 minutes after disconnecting the wire from the negative terminal of the battery to discharge the capacitor.
WARNING: Do not disassemble the airbag module.
WARNING: Do not allow the air bag module to fall or come into contact with water, grease, or oil.
WARNING: Do not expose the air bag module to temperatures above 95°C.
2. Remove the steering column cover (see Removing and installing the steering column cover).

3. Using a mirror to make the job easier…

4….sequentially press the three spring clips securing the airbag module tabs with a screwdriver (shown on a removed steering wheel for clarity).

NOTE: This is how the spring clips are located in the steering wheel hub (shown with the steering wheel removed for clarity).

5. Carefully lift the module…

6….move it away from the steering wheel hub and disconnect the two horn wires.

7. Squeeze the wire harness connector clamps…

8….disconnect it from the airbag module and remove the driver's airbag module.
9. Install the driver's airbag in the reverse order of removal.
The original article can be viewed on the portal [www.fordbook.ru]
А нет ли аналогичного мануала по подушки для ног водителя?
И фронтального датчика удара?