Parking Brake Cable, Loosening From Brake Caliper And Engaging

Removing 

-- Press brake lever -2- in direction of arrow and unhook parking brake cable -3-.

Fig 1: Pressing Retaining Tabs

Courtesy of AUDI OF AMERICA, LLC

-- Press retaining tabs -1- together while removing parking brake cable from guide.

Installing 

-- Insert parking brake cable through guide.

-- Press retaining tabs -1- together and engage. Make sure that both retaining tabs are engaged.

Fig 2: Pressing Brake Lever

Courtesy of AUDI OF AMERICA, LLC

-- Press brake lever -2- in direction of arrow and engage parking brake cable -3-.