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ADAS (Advanced Driver Assistance Systems) calibration is the precise physical alignment, testing, and electronic aiming of the sensors that feed your vehicle’s advanced driver assistance systems, such as forward collision warning (FCW), lane departure warning (LDW), and automatic emergency braking (AEB). Calibration tells each sensor exactly where to look and where it sits in relation to the vehicle, so the system can read the road correctly. Modern cars now come equipped with highly evolved ADAS systems, filled with safety features that use an ecosystem of sensors to continuously monitor the vehicle’s surroundings. These sensors pick up crucial information that can trigger safety alerts and even assume temporary control of the vehicle’s braking or steering to better protect the driver. Early systems included features we now consider common such as ABS (anti-lock brake system), traction control, adaptive cruise control and blind spot monitoring. All of these systems depend on correct calibration. The system functions accurately and effectively only as long as the sensors are properly aligned, which makes ADAS calibration one of the most indispensable services to your vehicle. Our state of the art ADAS center and trained technicians are ready to perform all of the necessary calibrations on your vehicle.

Calibration is required after any repair or event that can move a sensor out of its factory position. Common triggers include windshield replacement, collision repairs, bumper removal (occasionally needed during headlight replacement), suspension work, and wheel alignments. Depending on the vehicle and the manufacturer’s requirements, calibration may be static, dynamic, or both. The experts at Briarwood in Tulsa, OK are ready to perform the necessary repairs and calibrations.

The precision involved is far tighter than most people expect. A sensor that is off by even a fraction of an inch or one degree will be aimed at an area significantly off axis 50 or more feet down the road. IIHS Advisory 43 found that a change as small as .6 degrees can cut the reaction time of automatic emergency braking in half. Because most ADAS sensors cannot tell the driver when they are out of alignment, following OEM calibration procedures after a repair is the only way to confirm the systems still work as designed.

How do I know when ADAS calibration is needed?

Knowing exactly when to schedule ADAS calibration is essential for keeping your vehicle’s advanced driver-assistance systems performing safely and accurately. Misaligned sensors can compromise features like lane-keeping assist, adaptive cruise control, collision avoidance, and surround view cameras. In many cases, ADAS calibration isn’t just recommended, it’s required to restore your vehicle to manufacturer specifications.

After Windshield Replacement

Many forward-facing ADAS cameras are mounted directly on or near the windshield. Even the slightest change in their position, caused by removing or installing a new windshield, can throw off alignment. Performing ADAS calibration after a windshield replacement ensures systems like automatic emergency braking, forward collision warnings, and lane departure warnings continue working as intended.

Following a Collision

Whether it’s a major accident or a low-speed fender-bender, the impact can shift or misalign sensors and cameras. Post-collision repairs, especially those involving bumpers, body panels, or structural components, should always include ADAS calibration to verify that detection and warning systems operate correctly.

Suspension or Wheel Alignment Changes

Suspension repairs, ride height adjustments, or even a standard wheel alignment can alter the positioning of ADAS sensors. Because ADAS sensors rely on precise positioning to monitor lane lines and surrounding traffic, ADAS calibration after these changes is crucial for maintaining accuracy.

Sensor Replacement or Repair

Replacing or repairing any ADAS component, such as a radar unit, LiDAR sensor, or surround view camera, requires calibration. Without it, new parts may not communicate properly with the vehicle’s onboard systems, leading to delayed or incorrect responses.

Dashboard Warning Lights or Error Messages

If your dashboard displays alerts related to ADAS functions, it may indicate that a sensor is out of alignment or malfunctioning. In many cases, ADAS calibration can resolve these issues by confirming correct sensor placement and restoring system performance.