Modern cars increasingly rely on cameras, radar and other sensors to understand what is happening around the vehicle. These components support systems designed to assist the driver, including lane keeping assistance, adaptive cruise control and automatic emergency braking.
Collectively, these technologies are known as Advanced Driver Assistance Systems, or ADAS.
For these systems to work as intended, their sensors need to know precisely where they are positioned in relation to the vehicle and the road. Even a relatively small change in camera or radar alignment can affect the information being supplied to the vehicle.
That is where ADAS calibration comes in.
ADAS is a broad term covering electronic systems designed to assist the driver in different driving situations.
The exact equipment fitted depends on the manufacturer, model and specification of the vehicle, but common ADAS features include:
To provide these functions, vehicles can use cameras mounted around the windscreen or body, radar sensors, ultrasonic sensors and other electronic components.
Information from these sensors is processed by control systems that determine what is happening around the car.
ADAS calibration is the process of ensuring that relevant cameras and sensors are correctly aligned and that the vehicle understands their position.
Imagine a forward-facing camera designed to identify road markings.
If its physical position changes slightly, the camera can still produce an image, but its interpretation of where the vehicle sits in relation to the road may no longer be correct.
Calibration provides the reference information required for the system to interpret sensor data accurately.
The procedure varies between vehicles. Different manufacturers use different sensors, mounting locations and calibration requirements.
ADAS systems make calculations based on precise measurements.
A camera may need to understand the position of lane markings. A radar sensor may measure the distance and relative speed of another vehicle. Other sensors can help determine what is happening around the car.
Small changes in alignment can affect these measurements.
A sensor does not necessarily need to look visibly damaged to require calibration. Work elsewhere on the vehicle can alter its position or change the vehicle geometry used as a reference.
This is why ADAS calibration is commonly associated with several seemingly unrelated repairs.
Often, yes.
Many modern vehicles have a forward-facing camera mounted behind or close to the windscreen. This camera can support functions such as lane assistance, traffic sign recognition and automatic emergency braking.
When the windscreen is replaced, the camera may need to be removed or its position relative to the glass can change.
Even when it is refitted correctly, the vehicle manufacturer may require calibration before the system is considered correctly set up again.
If your vehicle has a windscreen-mounted ADAS camera, it is worth checking the manufacturer’s requirements following replacement.
It can be required.
ADAS sensors operate in relation to the direction and geometry of the vehicle. Changes to wheel alignment can therefore affect the reference used by certain assistance systems.
This does not mean every wheel alignment on every vehicle automatically requires ADAS calibration.
Requirements vary between manufacturers and systems.
However, if alignment has been significantly corrected or the manufacturer specifies recalibration following the work, the relevant ADAS systems should be checked.
Yes.
Suspension components determine the vehicle’s ride height, geometry and position relative to the road.
Replacing or adjusting components can alter these parameters. Depending on the vehicle, this may change the reference used by cameras or radar sensors.
ADAS calibration may therefore be required following certain suspension repairs, particularly when they affect alignment or ride height.
The correct procedure should be determined according to the specific vehicle rather than assuming the same requirements apply to every model.
ADAS calibration can also be necessary following accident or body repairs.
Radar units and other sensors are often positioned behind bumpers, grilles or body panels. If these areas are removed, repaired or replaced, the sensor’s position may change.
Even when there is no obvious external damage to the sensor itself, its mounting position can be important.
This is particularly relevant after collision repairs where components around an ADAS sensor have been disturbed.
Sometimes the vehicle will tell you.
A dashboard warning or ADAS-related message may appear when a system detects a fault or cannot operate correctly.
You may also notice that a particular assistance feature becomes unavailable.
However, the absence of a warning does not necessarily prove that calibration is correct.
If work has been performed that requires recalibration according to the vehicle manufacturer’s procedures, calibration should still be completed even when no warning light is displayed.
This is why knowing the repair history of the vehicle can be important.
Symptoms depend on which system is affected.
Possible signs can include:
Not every unusual ADAS behaviour is caused by calibration.
A dirty camera, damaged sensor, electrical fault or component failure can produce similar symptoms. Diagnostics may therefore be required before attempting calibration.
Depending on the vehicle, ADAS calibration can be static, dynamic or a combination of both.
Static calibration is carried out with the vehicle stationary. Specialist targets or calibration equipment are positioned according to precise measurements around the vehicle.
The system then uses these reference points to establish the correct sensor or camera alignment.
Dynamic calibration involves driving the vehicle under specified conditions while diagnostic equipment communicates with the relevant systems. The vehicle uses real-world road information to complete the calibration process.
Some manufacturers require both procedures.
The correct method depends on the vehicle and ADAS technology fitted.
There is no single time that applies to every vehicle.
The calibration procedure depends on the number and type of sensors involved, the manufacturer’s requirements and whether static or dynamic calibration is required.
Before calibration can begin, factors such as tyre pressures, vehicle loading and wheel alignment may also need to meet specified conditions.
If another fault is present, that may need to be resolved before calibration can be completed successfully.
For these reasons, calibration should be treated as a technical procedure rather than simply resetting a warning through diagnostic software.
Yes.
A calibration procedure may not complete if the vehicle does not meet the required conditions or another problem is present.
For example, issues involving wheel alignment, sensor mounting, damaged components or diagnostic faults can interfere with the process.
This is useful information in itself because an unsuccessful calibration can indicate that another issue needs to be addressed first.
Simply repeating the procedure without investigating why it failed may not solve the underlying problem.
No.
ADAS technology is found across petrol, diesel, hybrid and fully electric vehicles.
The reason it is particularly relevant to modern hybrids and EVs is that these vehicles are often equipped with extensive electronic safety and driver assistance technology.
ADAS should therefore be considered separately from the high voltage drivetrain.
A vehicle can have a perfectly healthy hybrid or electric system and still require camera or radar calibration after a windscreen replacement, suspension repair or bodywork.
ADAS calibration requires accurate positioning, appropriate diagnostic equipment and access to the correct procedure for the vehicle.
Static calibration can involve precisely measured targets placed at specified distances, heights and angles. Dynamic procedures can require diagnostic equipment and defined driving conditions.
Small inaccuracies matter because the entire purpose of the process is to provide the system with an accurate reference.
This is therefore not comparable to resetting a service reminder or clearing a dashboard warning.
ADAS calibration should be performed using suitable equipment and procedures for the specific vehicle.
Driver assistance systems depend on accurate information.
If a camera or radar sensor is incorrectly aligned, the vehicle may interpret its surroundings differently from what the system expects.
Because features such as lane assistance, collision warnings and emergency braking can rely on this information, correct calibration is an important part of returning the vehicle to its intended operating condition after relevant repairs.
It is not about making a warning light disappear. It is about ensuring that the sensor has the correct reference required for the system to operate properly.
If your vehicle has undergone windscreen replacement, suspension or alignment work, body repairs or replacement of an ADAS component, it may require recalibration.
HybridElectric Manchester provides professional ADAS calibration for supported driver assistance systems, including camera, radar and sensor calibration.
We can assess the calibration requirements for your vehicle, carry out the appropriate procedure and verify system operation afterwards.
Contact our team if you need ADAS calibration in Manchester or are unsure whether recent work on your vehicle requires it.
HybridElectric Manchester is part of the European HybridElectric network, providing specialist diagnostics and repairs for hybrid and electric vehicles.