Communication, Without Electronics.
Non-electronic tail-light overlays using your vehicle’s lights to express courtesy and human presence.
Easy Installation
Expressive Messaging
Patent-Based System
Apply the overlay directly to your tail-light surface.
No tools. No wiring. No permanent
Patent-Based System
Expressive Messaging
Patent-Based System
Signal Speak™ uses your vehicle’s existing tail-light illumination to reveal symbols naturally when the light is on.
No electronics. No signal interference.
Expressive Messaging
Expressive Messaging
Expressive Messaging
Communicate courtesy, acknowledgment, or presence through simple, visible symbols — without distraction.
Featured Tail-Light Overlays
Choose a design that lets your vehicle speak for you.
Choose a design that lets your vehicle speak for you.
Choose a design that lets your vehicle speak for you.
Heart Tail-Light Overlay
A simple symbol of kindness and appreciation.
Appears when your tail-light is illuminated.
👉 View Details
Choose a design that lets your vehicle speak for you.
Choose a design that lets your vehicle speak for you.
Bye Bye Tail-Light Overlay
A lighthearted way to acknowledge and move on.
Appears when your tail-light is illuminated.
👉 View Details
Thank You Tail-Light Overlay
Express gratitude without gestures or words.
Appears when your tail-light is illuminated.
👉 View Details
Butterfly Tail-Light Overlay
A calm, symbolic expression of presence and care.
Appears when your tail-light is illuminated.
👉 View Details