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Before you get started, make sure you are familiar with the Lane Change Alert with Side Blind Zone Alert feature. Some things you may notice about the feature are part of normal operation.

For more information, check out this article: About Lane Change Alert with Side Blind Zone Alert

If your vehicle has Lane Change Alert with Side Blind Zone Alert, when you turn your vehicle on, you’ll see an amber icon light up in your left-/right-side mirror and hear chimes for 5 seconds. You’ll also see this icon when the feature detects a moving vehicle in your side blind zone or a vehicle rapidly approaching your side blind zone.

If your Lane Change Alert with Side Blind Zone Alert feature is not detecting other vehicles, there are several possible explanations:

• The system is designed to detect vehicles and most motorcycles, but not other moving objects. For example, the system is not designed to detect pedestrians, bicyclists or electric scooters
• Under bad weather or poor visibility conditions, the system might not function as intended. Lane Change Alert with Side Blind Zone Alert uses sensors in the rear bumper to detect vehicles in your blind spot. Keep the sensor areas clear of obstructions such as dirt or snow to keep the system working properly
• Check your vehicle Owner’s Manual for a diagram that shows the location of the feature’s sensors and how to clean them. This can be found in the “Driver Assistance Systems” section of the Owner’s Manual

Owner's Manual excerpt shown for reference only.

• Remember, even with Lane Change Alert with Side Blind Zone Alert, before making a lane change, you still must check your mirrors, glance over your shoulder and use your turn signals. Lane Change Alert with Side Blind Zone Alert doesn’t operate the brakes or steer the vehicle. It’s an alert system only
  

The Lane Change Alert with Side Blind Zone Alert system is working properly if this happens. This is normal — your vehicle doesn’t need service.

Depending on your vehicle, the Lane Change Alert system may not work properly if you’re towing a trailer or have an object attached to the back of your vehicle.