Dallas / Fort Worth

Self-driving for your car. Installed.

The comma four — rated #1 by Consumer Reports — installed in your car in 30 minutes. DFW area. $1,999.

Check Your Car → How It Works ↓

How it works

1

Check Compatibility

Enter your make, model, and year. We support 325+ vehicles from 27 brands.

2

We Order & Install

We handle everything — device, car-specific harness, and professional installation at your location.

3

Drive Away

30-minute install. First drive demo included. Self-driving on the highway, day one.

Is your car compatible?

The comma four works with 325+ vehicles. Check yours:

Everything included

$1,999

  • ✓ comma four device ($999 value)
  • ✓ Car-specific harness ($99 value)
  • ✓ Professional installation at your location
  • ✓ Software setup & first drive demo
  • ✓ 30-day money-back guarantee
  • ✓ 1-year hardware warranty
  • ✓ Free OTA updates forever

No subscription required.

What comma four does

Lane Centering

Keeps you centered in your lane on the highway, automatically.

Adaptive Cruise

Maintains speed and distance to the car ahead. Stops and goes in traffic.

Lane Changing

Signal and the car changes lanes for you.

Dashcam

Always-on recording with cloud backup via comma prime.

360° Vision

Three cameras provide a full view around your car.

OTA Updates

Free software updates over WiFi. Constantly improving.

As featured in

Consumer Reports The Verge Car and Driver Linus Tech Tips Snazzy Labs

300M+

miles driven

20,000+

active users

50,000+

GitHub stars

FAQ

No. The comma four works fully without any subscription. There's an optional comma prime subscription ($29/mo) for cloud storage and extra features, but it's not required.

No. The comma four harness plugs into your car's existing LKAS camera connector. There are no permanent modifications — it's fully reversible. You can remove it in minutes.

Yes. The comma four includes driver monitoring — it watches your eyes and face to make sure you're paying attention. If you look away, it alerts you. You must stay attentive at all times, just like any ADAS system.

comma offers a 30-day money-back guarantee on the hardware. 92% of buyers keep it.

About 30 minutes. We come to your location anywhere in the DFW metro area, install the device, set up the software, and do a first drive demo with you.

$1,999 — that's everything. The comma four device, car-specific harness, professional installation, software setup, and first drive demo. No hidden fees.

Over 325 vehicles from 27 brands including Toyota, Honda, Hyundai, Ford, Kia, Subaru, Tesla, Lexus, Chevrolet, and more. Use our compatibility checker above to see if your car is supported.

The comma four replaces your car's windshield-mounted ADAS camera with a smarter one. It plugs into the same connector your car already has via a car-specific harness — no cutting, no splicing.

We serve the entire Dallas/Fort Worth metro — Dallas, Fort Worth, Plano, Frisco, McKinney, Allen, Richardson, Arlington, Irving, Denton, Lewisville, Flower Mound, Southlake, and more. Roughly a 45-minute drive radius from central DFW.

Ready to upgrade your drive?

Check Your Car's Compatibility →