WARNING

Inflate the collapsible spare wheel only after the wheel is properly attached. Inflate the collapsible spare wheel using the tire inflation compressor before lowering the vehicle.

• Pull connector 4 and the air hose out of the housing.
• Remove the cap from the valve on the collapsible spare wheel.
• Screw union nut 1 on the air hose onto the valve.
• Make sure on/off switch 5 of the tire inflation compressor is set to 0.
• Insert plug 4 into the socket of the cigarette lighter () or into a 12 V power socket () in your vehicle.
• Make sure that the SmartKey is in position 1 () in the ignition lock.
• Press on/off switch 5 on the tire inflation compressor to I. The tire inflation compressor is switched on. The tire is inflated. Gauge 3 shows the tire pressure.

Do not operate the tire inflation compressor for longer than eight minutes at a time without a break. It may otherwise overheat.

The tire inflation compressor can be operated again once it has cooled down.

• Inflate the tire to the specified tire pressure. The specified tire pressure is printed on the yellow label of the emergency spare wheel.
• When the specified tire pressure has been reached, press on/off switch 5 on the electric air pump to 0. The tire inflation compressor is switched off.
• Turn the SmartKey to position 0 in the ignition lock.
• If the tire pressure is higher than the specified pressure, press pressure release button 2 until the correct tire pressure has been reached.
• Unscrew union nut 1 on the air hose from the valve.
• Screw the valve cap onto the collapsible spare wheel valve again.
• Stow plug 4 and the air hose in the lower section of the compressor housing.
• Stow the tire inflation compressor in the designated place in the vehicle.