✓ Supported
Comma Four for Toyota Sienna
Self-driving for your Toyota Sienna. Professionally installed in Dallas/Fort Worth. $1,999.
Compatibility Details
Make
Toyota
Model
Sienna
Supported Years
2018, 2019, 2020
Price
$1,999 all-in
What you get for $1,999
- ✓comma four device ($999 value)
- ✓Toyota-specific car harness ($99 value)
- ✓Professional installation at your location in DFW
- ✓openpilot software setup & configuration
- ✓First drive demo with you in the car
- ✓30-day money-back guarantee
- ✓1-year hardware warranty
- ✓Free OTA software updates — forever
How it works in your Sienna
The comma four mounts to your windshield behind the rearview mirror using a custom mount designed for your Toyota Sienna. The Toyota-specific harness plugs into your car's existing LKAS camera connector — no cutting, no splicing, no permanent modifications.
Once installed, openpilot takes over your Sienna's steering and acceleration on the highway. It keeps you centered in your lane, maintains distance to the car ahead, and can even change lanes when you signal. It's like having a co-pilot for your daily commute.
Installation takes about 30 minutes. We come to your location anywhere in the DFW metro, set everything up, and take you on a first drive so you can see it in action.
What comma four does in your Sienna
Lane Centering
Keeps your Sienna centered in the lane on the highway, automatically.
Adaptive Cruise Control
Maintains speed and distance to the car ahead. Stops and goes in traffic.
Lane Change Assist
Signal and the car changes lanes for you — smoothly and safely.
Always-On Dashcam
Three cameras record everything. Cloud backup available with comma prime.
360° Vision
Three wide-angle cameras give your car a full view of the road.
OTA Updates
Free software updates over WiFi. Your car gets smarter over time.
Frequently Asked Questions
Will comma four void my Toyota warranty?
No. The comma four connects via your Sienna's existing LKAS camera connector using a plug-in harness. There are no permanent modifications to your vehicle. The installation is fully reversible — you can remove it in minutes and your car returns to factory condition.
Does comma four work with my Sienna's existing features?
Yes. The comma four enhances your Sienna's existing driver assistance features. When openpilot is not engaged, all your factory ADAS features work normally. You can switch between openpilot and your car's built-in system at any time.
How long does installation take?
About 30 minutes. We drive to your location anywhere in the DFW metro area, install the device, set up the software, and take you on a demo drive. The whole process — including the test drive — usually takes under an hour.
What if I don't like it?
comma offers a 30-day money-back guarantee. If you're not satisfied, we'll help you return the device for a full refund of the hardware cost.
Is there a monthly subscription?
No subscription is required. The core self-driving features work forever with no ongoing fees. comma prime ($29/mo) is available optionally for cloud dashcam storage and additional features.
What years of Toyota Sienna are supported?
The comma four supports the Toyota Sienna from 2018–2020. Specifically: 2018, 2019, 2020.
Ready to upgrade your Sienna?
Self-driving for your Toyota Sienna. Installed in DFW. $1,999.
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