Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Lane Assist

The Autopilot cameras and ultrasonic sensors monitor the markers on the lane you are driving in as well as the areas surrounding Model 3 for the presence of vehicles or other objects.

When an object is detected in your blind spot or close to the side of Model 3 (such as a vehicle, guard rail, etc.), colored lines radiate from the image of your vehicle on the touchscreen. The location of the lines correspond to the location of the detected object. The color of the lines (white, yellow, orange, or red) represent the object's proximity to your vehicle, with white being the farthest and red being very close, requiring your immediate attention. These colored lines only display when driving between approximately 7 and 85 mph (12 and 140 km/h). When Autosteer is active, these colored lines also display if driving slower than 7 mph (12 km/h). However, the colored lines do not display if Model 3 is at a standstill (for example, in heavy traffic).

Lane Assist


Lane Assist also warns you when a desired lane departure is not appropriate. When you engage the turn signal and a vehicle or object is detected in the adjacent lane you are planning to move into, the touchscreen displays a red lane line to indicate that a vehicle or object is detected. When the vehicle or object is no longer detected, the lane line returns to normal.

Warning: Lane Assist features are for guidance purposes only and are not intended to replace your own direct visual checks. Before changing lanes, always visually check the lane you are moving into by using side mirrors and performing the appropriate shoulder checks.

Warning: Never depend on Lane Assist to inform you of unintentionally driving outside of the driving lane, or informing you that a vehicle is in your blind spot or close to the side of your vehicle. Several external factors can reduce the performance of Lane Assist such as a lack of lane markings or curbs. This may result in false, or lack of, warnings. It is the driver's responsibility to stay alert, pay attention to the driving lane and always be aware of other road users. Failure to do so can result in serious injury or death.

Lane Assist also consists of the following features to assist you in staying safe in the driving lanes:

  • Lane Departure Avoidance
  • Emergency Lane Departure Avoidance
  • Blind Spot Collision Warning Chime

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