
New cars have never had more technology packed into them, and most of it genuinely makes driving safer or more convenient. But somewhere in the rush to add another sensor, another screen, or another piece of software, a handful of features have slipped through that seem to have been designed without ever asking an actual owner how they’d feel about living with it for the next decade. These aren’t obscure complaints from a vocal minority — they’re patterns showing up again and again in owner reviews, forums, and service department conversations.
What connects all of them is a familiar shape: a feature that sounds good in a press release and turns genuinely irritating once it’s part of someone’s daily routine. Here are six that have owners reaching for the manual, the settings menu, or occasionally the dealership’s service line, looking for a way to make it stop.

Automatic Emergency Braking False Alarms
Automatic emergency braking is one of the more genuinely valuable modern safety features. The Insurance Institute for Highway Safety has found that systems with forward collision warning and automatic braking cut rear-end crashes in half, and a federal rule will require the technology on all passenger cars and light trucks by September 2029. The frustration owners describe isn’t with the feature’s purpose but with poorly calibrated systems that slam the brakes for a plastic bag blowing across the road, a shadow under an overpass, or a car several lanes away that was never a threat. A sudden, unnecessary hard stop is jarring for the driver and dangerous for whoever is following too closely behind. If it happens to you, note the location, speed, and weather, ask the dealer to check for software updates and sensor alignment, and keep the camera and radar areas clean. Resist switching the system off: a rare false alarm is a poor trade for the crash protection.
Infotainment Systems That Require Constant Software Updates
Turning the center screen into a smartphone-like computer means it can also behave like one, complete with lag, occasional freezes, and features that shift or disappear after an over-the-air update owners never asked for. Some updates fix real problems, but others introduce new bugs or reorganize a menu layout drivers had finally memorized, forcing them to relearn where basic functions live. And when a screen freezes, it can take the climate controls, backup camera display, or navigation with it, turning a software hiccup into something with real consequences. Relearning menus on the move is the bigger hazard: NHTSA counts fiddling with the stereo, entertainment or navigation system as distracted driving. So read the release notes when an update lands, and find the relocated controls while parked. Look up the screen’s reset procedure in the owner’s manual as well. If you’re shopping, favor cars that keep physical knobs for volume and temperature.
Aggressive Speed Limit Warning Chimes
New safety regulations in some markets have pushed automakers to add speed limit warning systems that read road signs or use map data and alert drivers who exceed the posted limit. In practice, the stored speed limit data is sometimes outdated or simply wrong, so the car chimes on roads where the actual limit is higher than what it believes. Cameras can also pick up a sign meant for an exit ramp or a side road, or miss that a temporary work-zone limit has ended. Owners describe near-constant chiming on roads with frequently changing limits, and the repetition trains many drivers to mute the feature or tune it out — which defeats the point of a warning system. IIHS makes the same point about driver aids in general: people who find them annoying may disable them. Before you buy, check whether the alert can be changed to a visual-only warning, and whether your choice survives a restart or must be reset on every drive.
Door Handles That Require an App or Touchscreen to Understand
Flush, motorized, or capacitive-touch door handles look sleek and reduce wind resistance slightly, but they’ve introduced a new failure mode: a door that won’t open in extreme cold when the mechanism ices over, or one that needs a press in a particular spot that isn’t obvious to anyone unfamiliar with the car. Passengers, valets, and anyone trying to help in an emergency can lose time working out a handle they’ve never seen before. A door handle is about as basic a piece of automotive interface as exists, and plenty of owners would rather have a simple mechanical latch that works every time in every condition. If your car has them, learn two things before you need them. First, how to free a frozen handle: usually a firm push around the edge to break the ice, never a pry tool against the paint. Second, where the manual interior release is, since electrically operated latches depend on the car’s battery. The owner’s manual shows both.
Voice Assistants That Rarely Understand What You’re Asking
Built-in voice assistants promise hands-free control over navigation, climate, and media, reducing the need to touch a screen while driving. Many owners report that these systems struggle with anything beyond a narrow set of pre-programmed commands, misunderstand accents or background noise, and often require several attempts before executing a simple request, undermining the hands-free premise. The frustration compounds when drivers know the smartphone assistant sitting in the cup holder would have understood the same request instantly. There are workarounds. If the car supports phone mirroring, the phone’s own assistant can usually handle requests through the car’s microphone and speakers instead. For the built-in system, short commands in the phrasing the manual lists work better than natural sentences, and closing the windows and turning down the fan helps the microphone. On a test drive, try setting a destination and changing the temperature by voice before you sign anything.
Digital Keys and Phone-as-Key Systems
Using a smartphone instead of a traditional key fob sounds like an obvious modern convenience, and it works well right up until the phone’s battery dies, the app crashes, or a software update temporarily breaks the Bluetooth connection with the vehicle. Owners who’ve been locked out of their own car because of a dead phone or a glitchy app have found that backup methods aren’t always well documented or easy to use under pressure. It adds a point of failure that a simple metal key never had. The fix is to treat the phone as the convenient key, not the only one. Ask the dealer exactly what the backup is — a key card, a conventional fob, a door keypad code — and practice using it once in your own driveway. Keep that backup in a wallet or bag rather than in the car. Before handing the car to a valet, a mechanic, or a relative, work out how they will lock, unlock, and start it without your phone.
