Driver assistance system sensors

The driver assistance functions use the forward-facing radar and cameras to help the driver in various ways, including:

• Detecting the distance to other vehicles in front of the car
• Detecting surrounding vehicles, pedestrians, and other objects
• Identifying traffic signs

Some parking functions rely on the ultrasonic sensors for information.

Sensors and cameras

Forward-facing camera (wide view)

Forward-facing camera (narrow view)

Forward-facing radar and front-mounted parking camera

Side cameras

Parking cameras

Rear-facing camera

Rear-mounted parking camera

The car also has 12 ultrasonic sensors along the front and rear bumpers.

Limitations of the driver assistance system sensors

Factors that might limit the assistance system sensors and cameras include:

• Accessories close to the front mounted sensor and the cameras
• Damage to the sensors and cameras
• Dirt or other obstructions on the sensors or cameras
• Cracks or scratches on the bumpers in front of the cameras and sensors
• Other radio devices or strong radar reflections
• Certain steering wheel positions
• Severe weather conditions with poor visibility
• Strong sunlight, light reflections, standing water, ice, snow, dirt build-up, and faded lane markings on the road
• Potholes, obstacles, and speedbumps
• Tunnel entrances and exits
• Narrow, winding, and undulating roads

Very high temperatures in the passenger compartment might temporarily disable the windshield camera. The windshield camera automatically restarts and resumes working when the temperature decreases.

If a system sensor does not function, information is shown in the center display and/or the driver display:

• If a camera does not function, a message appears on the driver display indicating which camera is not functioning. Depending on the fault, more information might appear on the center display.
• If an ultrasonic sensor does not function, an error message appears in the 360° camera interface and the notification center indicating if a front or rear sensor is faulty.

If the user tries to activate a function relying on a faulty sensor, the function does not activate. A warning message appears on the driver display and/or center display indicating what the fault is.