Volvo C30 2007 Service And Repair Manual page 201

ACCESSORIES AND EQUIPMENT Bumpers And Mudflaps - Installation Instructions, Accessories
Fig. 160: Installing Tape On The Holders
Courtesy of VOLVO CARS CORPORATION
Attach the tape to the holders.
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Fig. 161: Cutting Off Holders With Tape On Both Sides
Courtesy of VOLVO CARS CORPORATION
Cut off the holders with tape on both long sides so that a result is achieved shown below.
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2012 Volvo C30 T-5