Installing Knee Airbag On Driver's Side

→ Switch off ignition and remove ignition key or remote control (hand-held transmitter).

→ A power supply (e.g. battery charger) must not be connected to the external power supply/jump-lead starting terminals.

→ Disconnect the battery and insulate the ground strap so that all contact with a ground carrier is avoided.

→ Wait 1 minute after disconnecting the battery.

→ Only pull off connector on the triggering unit after the waiting time has elapsed.

→ Make sure that no foreign objects are located in front of the airbag unit during installation.

→ Replace damaged parts during removal.

→ Always position airbag units so that the blow-out opening is facing upwards, e.g. crest on driver's airbag.

→ Do not position anything on the airbag units.

→ If removed for an extended period, the airbag units must be stored in a safe place.

→ Airbag units must not come into contact with grease, oil, detergents, liquids, or similar substances.

→ Do not expose airbag units to temperatures above 90°.

→ Do not remove the short-circuit spring on the plug-in contacts.

→ Ignition and preparations may only be carried out by skilled staff, supervised by a second responsible person.

→ Before disposal, the airbag unit must be rendered harmless by electrical ignition performed in accordance with all precautionary measures, thereby preventing it from being used incorrectly.

Information 

If a new component (e.g. sensor, airbag control unit, airbag unit) of the airbag system has to be installed, the new component will be supplied with a barcode sticker (tear-off label).

Fig 1: Locating Tear-Off Label On Airbag Sensor

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

• Tear off the tear-off label -2- on the new component -1- and stick it under the heading Proof Of Airbag System Check/Component Replacement in the Guarantee and Maintenance booklet. 
  Fig 2: Identifying Tear-Off Label Of Airbag Control Unit

  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
• The replacement date and current mileage must be documented and the booklet must be stamped with the Center's stamp. 

1. Position knee airbag so that the three fixing clips -1-  engage in the corresponding mounting on the trim panel.
   Fig 3: Clipping Knee Airbag

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Clip knee airbag into the trim panel.
3. Tighten fastening screws -1-  on trim panel for knee airbag at the trim panel under the dashboard.
   Fig 4: Identifying Knee Airbag On Trim Panel

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Tighten fastening screws -1-  between the knee airbag and trim panel under the dashboard to the prescribed tightening torque. → Tightening Torque: 4 Nm (3 ft. lb.)  .
   Fig 5: Removing Upper Fastening Screws

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

→ Always use new fastening screws and nuts following removal.

→ Observe specified tightening torques.

→ Carry out a visual inspection of all re-used parts.

Information 

Always replace the fastening screws on the airbag unit after customer service and reworking. The micro-self-locking screws must not be treated, greased or loosened and then screwed on again.