Description: This is a 100% brand new Headlight Replacement Compatible With: 2010-2015 GMC Terrain Attention: Not Compatible with Xenon HID Models Specification: Low Beam: H1 Light Bulb Included High Beam: 9005 Light Bulb Not Included 100% Brand New in Box With Customized Packaging, Never Been Installed Before The replacement headlight comes in Left Side (Driver Side) only Direct Bolt On Replacement For Your Original Headlights, No Wiring or Any Other Modification Needed DOT (Department of Transportation) & SAE (Society of Automotive Engineers) Approved; Wiring Modification Might Be Needed On Halo And LED Connection, Please Check With Local Professional Mechanic No Installation Guide or Instruction Included, Professional Installation is Highly Recommended