Volvo C30 2007 Service And Repair Manual page 240

ACCESSORIES AND EQUIPMENT Bumpers And Mudflaps - Installation Instructions, Accessories
Fig. 238: Identifying Front Spoiler
Courtesy of VOLVO CARS CORPORATION
Press the front spoiler into the upper section.
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Make sure that all catches engage.
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NOTE: Do not damage the painted surface on the upper part.
Fig. 239: Identifying Bumper Cover
Courtesy of VOLVO CARS CORPORATION
Reinstall the bumper cover. Make sure that the spoiler fits in the leading edge on the baffle.
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2012 Volvo C30 T-5