This installation reference covers 2015-2018 Lexus RC Multicolor DRL Boards. Match the product, vehicle configuration and controller part number before starting.
Part # G7
Lexus RC Multicolor Flow Series DRL Boards (2015-2018)
Install GuideStep 1: Test your Product. This helps you check operation and confirm the wiring before permanent installation. See the wiring guide that comes with your product or visit our wiring guide.
Flow Series Bluetooth Controller w/ DRL SmartSwitch - Install Guide
Step 2: Remove your bumper to access headlights.
Step 3: Open your headlights. (*Confirm the opening and resealing method for your exact housing before following the video below)
Step 4: Install your LED Product into your headlights.
Step 5: Reseal your headlights (see video above) or click here for full guide.
Step 6: If you haven't already, wire your LED Product onto your car using the included wiring guide or see our general wiring guide.
Flow Series Bluetooth Controller w/ DRL SmartSwitch - Install Guide
Additional installation videos
These earlier demonstrations may show a different controller revision. Use the current kit-specific wiring instructions above for your supplied hardware.
Source and installation help
Checked against Lexus RC Multicolor DRL Boards (2015-2018) Install Guide in the RGB Halo Kits Help Center on October 22, 2026. Follow the instructions supplied with your exact kit if hardware versions differ.
Controller and wiring guide · Ask installation support · Browse lighting guides
