The short answer depends on what happened to your car recently. ADAS calibration is event-driven - you need it after specific trigger events, not on a schedule. Here is a quick decision guide based on the most common scenarios.
| What Happened | Need Calibration? | Which System? |
|---|---|---|
| Windshield replaced | Yes - always | Forward camera |
| Front bumper removed or resprayed | Yes - always | Front radar |
| Front-end collision | Yes - always | Radar + camera (both) |
| Rear bumper removed or resprayed | Yes - if BSM equipped | Blind spot sensors |
| Rear collision | Yes - if BSM equipped | Blind spot + parking sensors |
| Wheel alignment done | Sometimes | Camera (make-dependent) |
| Battery disconnected or replaced | Rarely | System reset (BMW, Mercedes, some Audi) |
| ADAS warning light, no known cause | Yes - diagnostic + calibration | Whichever system is warning |
| Trailer hitch installed | Yes - if BSM equipped | Rear blind spot sensors |
| No work done, no warning light | No | None needed |
If your event is in the "Yes - always" category, don't wait for a warning light. Many ADAS systems continue operating with incorrect calibration without displaying a warning.
Always yes. The forward camera mounts to the windshield glass. Every replacement shifts the camera. Safelite and most glass companies replace the glass but can't calibrate the camera. See our windshield calibration guide.
Almost always yes. Front radar sits behind the grille on most vehicles. Rear BSM sensors sit in the rear bumper. Any removal, repair or respray in these areas shifts sensors. See our collision guide.
Rarely. BMW, Mercedes and some Audi models can require an ADAS system reset after battery disconnection. If ADAS warnings appeared after battery work and didn't clear after driving, a diagnostic scan confirms whether recalibration is needed.
Yes - diagnostic scan first, then calibration. Common causes: gradual sensor drift over high mileage, failed OTA software update, or a CAN bus fault. A full-system scan identifies the root cause. See our warning lights guide to match your dashboard message to the likely issue.
Worth a diagnostic scan if you don't know the full repair history. Previous bodywork, windshield replacement or accident damage may have triggered a calibration requirement that was never addressed. This is especially relevant for salvage/rebuilt title vehicles where collision damage is guaranteed. See our salvage vehicle guide.
Pricing starts from $249 for camera calibration. Full details at our cost guide.
Answers to frequently asked questions on this topic
If the service involved removing the bumper, changing the windshield, adjusting alignment or disconnecting the battery, ADAS calibration may be required. Many shops don't flag it. If any trigger events occurred during service, book a diagnostic check.
Most vehicles after 2016 have at least one ADAS feature. If your car has adaptive cruise, lane departure warning, automatic emergency braking, blind spot monitoring or parking assist, it has ADAS. If none of these are present, no calibration is needed.
Yes. A diagnostic scan checks module status and stored fault codes. It tells us whether calibration is needed without performing it. If everything is in spec, no further action required.
If your vehicle has blind spot monitoring, probably yes. Trailer hitch installation requires rear bumper work that can shift BSM sensors. Some vehicles also need BSM system configuration to account for the trailer. A diagnostic scan confirms whether calibration is needed.
Not sure whether your vehicle needs ADAS calibration? Our team can check your vehicle specification and advise on the calibration requirements.