Pre-Collision System Unavailable Meaning
The Pre-Collision System Unavailable message sounds serious, but the cause is usually simple. Here is how to read it.
Read guideLatest by Ridhhi Varma
The Pre-Collision System Unavailable message sounds serious, but the cause is usually simple. Here is how to read it.
Read guideThe feature that handles the crawl of rush-hour traffic for you, and the fine print on why you cannot check out.
Read guideRain switches your driver-assist systems off on purpose, and knowing why keeps a stormy dashboard from rattling you.
Read guideWork it in order: speed, switch, camera, marked road, then a reset before you pay for calibration.
Read guideA checklist of the exact questions a former calibration tech would ask before handing over the keys.
Read guideThe six levels of driving automation, decoded in plain English with a table, by a former calibration tech.
Read guideWhen the car says steering assist is reduced, it is usually protecting a system, not warning of a steering failure.
Read guideThe camera that flips your brights on and off for you at night, and how to get it to behave.
Read guideWinter warnings usually mean snow or ice is sitting on a sensor, not that anything expensive has broken.
Read guideTrack down phantom beeps in order: clean the pucks, check the bumper, then rule out a failed sensor.
Read guideA former calibration tech on why an uncalibrated sensor is not neutral, it is actively wrong.
Read guideWhat you can realistically retrofit onto an older car, what you cannot, and where the money is best spent.
Read guide