How to Reset Side Detection System

The process for resetting the side detection system can vary depending on the make and model of your vehicle.

However, in most cases, you can reset the system by following these general steps:

  1. Turn off the vehicle: Make sure the engine is off, and the key is removed from the ignition.
  2. Wait for a few minutes: Give the system some time to reset itself. This allows the onboard computers to power down and reset their internal memory.
  3. Disconnect the battery (optional): If waiting doesn’t reset the system, you can try disconnecting the car’s battery. Locate the battery in your vehicle; it’s usually under the hood. First, find the negative terminal (marked with a minus sign “-“) and use a wrench or a socket to loosen the bolt securing the cable to the terminal. Once it’s loose, remove the cable from the terminal and secure it away from the battery. Wait for about 15-30 minutes before re-connecting the battery.
  4. Reconnect the battery (if disconnected): After waiting, reattach the negative battery cable to the negative terminal. Tighten the bolt securely.
  5. Turn on the ignition: Put the key in the ignition and turn it to the “ON” position without starting the engine. Make sure all lights on the dashboard are illuminated.
  6. Drive the vehicle: Take your car for a short drive. During this drive, the system will calibrate and reset itself. Pay attention to any warning lights or messages on the dashboard that may indicate a system reset or error.
  7. Park the car: After the short drive, turn off the engine, and leave the vehicle off for a minute or two.
  8. Start the car again: Turn the key to the “ON” position and start the engine. Check if the side detection system is functioning correctly. If there were any issues due to a temporary glitch, the reset process should have resolved them.

If the side detection system still doesn’t work properly after this process, there might be an underlying issue that requires professional diagnosis and repair at a dealership or a qualified mechanic.

Always consult your vehicle’s owner’s manual for specific instructions on resetting the side detection system, as different car models might have variations in their reset procedures. Additionally, keep in mind that tampering with safety systems can potentially be dangerous, so if you’re uncertain about the process or the problem persists, it’s best to seek assistance from a certified mechanic or your vehicle’s manufacturer.

How to Fix Side Detection System

It can be really frustrating when your side detection system isn’t working properly.

There are a few things that you can do to try and fix the problem.

First, check to make sure that there is nothing blocking the sensors. If there is something blocking the sensors, then the system will not be able to properly detect when someone is walking by.

Second, you can try resetting the system. To do this, you’ll need to find the reset button on the control panel.

Once you’ve found the reset button, simply press it and hold it for a few seconds. After a few seconds have passed, release the button and see if that fixes the problem. If neither of those solutions work, then you may need to contact customer service for further assistance.

How Do I Reset My Blind Spot Sensor?

If your blind spot sensor is not working properly, there are a few things you can try to reset it. First, check the vehicle’s owner’s manual to see if there are any specific instructions for resetting the system. If not, try these steps:

1. Turn off the vehicle’s engine and all of its lights.

2. Remove the key from the ignition.

3. Close all doors and windows, then wait for about five minutes.

4. Open the driver’s door and press and hold the button on the outside mirror for about two seconds until you hear a beep. This should reset the blind spot sensor system.

What Does Side Detection System Mean?

A side detection system is a safety feature that is typically found on vehicles equipped with blind spot monitoring (BSM). This system uses sensors to detect when another vehicle or object is in the blind spot area and alerts the driver. The purpose of this system is to help reduce the risk of accidents by providing an extra level of awareness.

Where are the Side Detection Sensors Located?

The side detection sensors are located on the sides of the vehicle. These sensors are used to detect objects that are in the path of the vehicle, and they provide information to the driver about the location and size of these objects. The side detection sensors can be either sonar or radar based, and they are typically mounted in the bumper area.

What Does Side Detection Temporarily Unavailable Mean?

If you’re driving a Tesla with Autopilot and side detection temporarily becomes unavailable, it means that the car’s sensors are having difficulty detecting objects on the sides of the vehicle. This can happen if there’s debris or snow on the sensors, or if the car is driving in a tunnel or under an overpass. Side detection is used for features like Autosteer and Automatic Lane Change, so if it’s unavailable, those features will be disabled.

2016 GMC Denali Service side detection, U0159


Knowing how to reset the side detection system is a valuable aspect of responsible vehicle ownership, contributing to safer roads and improved driving experiences for everyone on the road.

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