The Metra 99-7821B is a premium TurboTouch® dash kit engineered specifically for 2016–2021 Honda Civic models (excluding LX trims). It allows installation of an aftermarket Single-DIN or Double-DIN radio while retaining many factory features that are normally lost during radio replacement, including climate controls, steering wheel controls, LaneWatch™, and the factory backup camera. The standout feature is the integrated 4.3-inch touchscreen display that recreates OEM climate and personalization controls directly in the dash kit. Main Features Fits 2016–2021 Honda Civic (excluding LX) Supports Single-DIN and Double-DIN radios Integrated 4.3-inch touchscreen display Retains climate control functions Retains vehicle personalization settings Retains steering wheel audio controls Retains factory backup camera Retains Honda LaneWatch™ camera Includes Axxess interface and wiring harness Includes antenna adapter Provides accessory power output Provides navigation outputs Scratch-resistant matte black finish Micro-B USB updatable firmware Specs Specification Details Vehicle Compatibility 2016–2021 Honda Civic (Non-LX) Radio Compatibility Single-DIN / Double-DIN Screen Size 4.3" Touchscreen Finish Matte Black Steering Wheel Controls Retained Backup Camera Retention Yes LaneWatch™ Retention Yes Factory Amp Retention Requires AXSP-HN (sold separately) USB Updateable Yes Product Weight ~3.1 lbs Approx. Shipping Weight ~5–8 lbs