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While many have noticed that advanced driver assistance systems (ADAS) are showing up on vehicles, there still is confusion on what is required of these systems after a collision occurs. The Ask I-CAR team frequently gets questions in regard to calibration of ADAS. Many of these questions can be answered simply by using the OEM Calibration Requirements Search. However, there are some questions that may need more details than the calibration search provides. Let’s take a look at the 2019 GMC Acadia.
For 2019, the Acadia has a standard rear view system. Optional systems include, lane departure warning, lane keep assist, rear cross traffic, park assist, collision warning, collision braking, adaptive cruise control, blind spot detection, adaptive lighting, and 360° camera view systems. This means that there is a large array of cameras and sensors that collision repairers will need to be aware of, many of which will require calibrations. Information for when these calibrations are required can be found in the vehicle-specific repair information, and also on the 2019 GMC Acadia OEM Calibration Requirements Search page.
Located in the front bumper cover are four ultrasonic sensors. There are an additional four ultrasonic sensors located in the rear bumper. These sensors are used by the park assist system. These sensors do not require calibration.
Behind the front bumper cover, below the bumper reinforcment, is a radar sensor. This sensor sends information to the collision warning and collision braking systems, as well as the adaptive cruise control system. Calibration will be required for this sensor after certain events. This is a dynamic calibration.
Located at the bottom of the grille is the front camera, which is part of the 360° camera view system. This four-camera system also has cameras located on the bottom of each exterior side mirror. A final camera is located near the center of the liftgate above the license plate. This camera is also part of the rear view system. There are several events that will make calibration necessary for these cameras. The calibration procedure for these cameras is dynamic.
In front of the rearview mirror, attached to the windshield, is a forward-facing camera. This camera sends data to the lane departure warning and lane keep assist systems. It also provides input to the collision warning, collision braking, adaptive lighting, and adaptive cruise control systems. There are several events that make calibration necessary for this camera. This is a dynamic calibration procedure for this camera.
Located behind the rear bumper cover, there is a radar sensor on each corner of the vehicle. The sensors are mounted to the bumper cover. These sensors are used by the blind spot detection and rear cross traffic systems. There is no calibration for these sensors.
This is just a brief overview of some of the different required procedures for the 2019 Acadia. Always consult the OEM repair information to get the exact information and procedures required to service the ADAS.
For additional GMC information, check out the GMC OEM Information page.
Additional I-CAR Collision Repair News you may find helpful:
- ADAS, Calibration, And Scanning Article Hotspot
- Collision Information Website Access: General Motors
- How To Use The OEM Calibration Requirements Search
- Locating ADAS Information: GM - UPDATE