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Why Are Carmakers' Hyped-Up Voice-Controlled Features So Underwhelming?

Why Has Voice Control in Cars, Once Hyped to the Skies, Become the Most Useless Feature?

Last week, I accompanied my brother to a dealership to look at cars. The salesperson gestured excitedly at the center console screen: “Bro, check out this voice control system! Just say a word to open the windows or adjust the AC. No need to look down while driving—safe and convenient!” My brother was sold and placed an order on the spot. But yesterday over dinner, he ranted so fiercely he nearly slammed his chopsticks on the table: "That voice control is nothing but a gimmick! Last Sunday, I was driving to pick up my kid and wanted to lower the AC by two degrees. I said ‘lower the AC’ three times—it either ignored me or asked back, ‘Did you mean turn up the volume?’ In the end, I had to manually adjust it while waiting at a red light. I was so mad I wanted to rip the whole center console out!"

I've had my own frustrating experience. Borrowing a friend's car once, he specifically told me, “Try the voice control—it works great.” I took his word for it. On the highway, wanting to skip a song, I said, “Play the next track.” No response. Thinking I hadn't been loud enough, I raised my voice and repeated it. Suddenly, it blurted out, “Your window is now open”— —At 100 mph, wind roared into the cabin. I frantically closed the window, nearly losing my grip on the wheel. That scared me into never using that car's voice commands again.

Later, I asked over a dozen friends who own cars, and most complained about voice control systems. One SUV owner said his system was “shy”—it only recognized his wife's voice. For him, getting it to work once out of ten tries was pure luck. Another friend with an electric vehicle shared an even more frustrating experience. His car's voice control only worked for music and climate settings. To navigate to his office, he had to recite the address verbatim—adding a single character like “city” or omitting one like ‘road’ would fail. Once, when he said, “Navigate to XX Tower,” it directed him to a residential complex with the same name dozens of kilometers away, causing him to be late for work and lose his perfect attendance bonus.

Car companies hype voice control as “cutting-edge smart tech” that “enhances the driving experience,” but in practice, it's either inaccurate, limited in function, or sluggish. I once discussed this with a friend in automotive media. He revealed that many automakers implement voice control not for genuine driver convenience, but to add another “smart feature” to their brochures—making their cars seem more premium to command higher prices. It's like some vehicles rush to add “continuous dialogue” and “dialect recognition” before even mastering basic voice recognition accuracy. The result? They try to do everything but end up doing nothing well.

What's even more frustrating is that this feature isn't optional—whether you want it or not, it's bundled with the infotainment screen and included in the base price. My brother said he later checked the spec sheet and found the voice-controlled version cost five thousand yuan more than the base model. “If I'd known this feature was so useless, I'd have stuck with the base model. The money saved could've paid for half a year's worth of gas—wouldn't that have been better?”

Honestly, car owners don't ask for much. We don't want fancy features—just the ability to give a clear command while driving and have it accurately understood and swiftly executed. If automakers truly want to develop voice control systems, they should focus on improving basic recognition accuracy first. They need to test performance across multiple dialects and noisy environments, rather than treating it as a mere “marketing gimmick.” After all, we buy cars for practicality, not flashy “smart toys” that look good but don't deliver.

Does your car have voice control? Is it genuinely useful, or do you agree with my brother that it's useless? Share your thoughts in the comments—let's see if we're the only ones who got burned!

nobbkale
Newbie
1#

Excellent question. You've put your finger on a major point of frustration for many new car buyers. The hype from car commercials, promising a seamless, conversational, almost sentient AI butler, often crashes into the reality of a system that struggles with basic commands.


The reasons carmakers' voice-controlled features are so underwhelming are a complex mix of technological challenges, automotive industry constraints, and fundamental design flaws.


Here’s a breakdown of the key reasons:


  1. The "10-Year Problem": Automotive v

This is the single biggest factor.

  1. A Smartphone is Obsolete in 2-3 Years. Apple and Google can release a new iOS or Android version every year, with radical improvements to Siri and Google Assistant. The hardware is constantly evolving.
  2. A Car is Designed to Last 10-15 Years. The computer (head unit) running the voice system is often finalized 2-3 years before the car even goes on sale. By the time you drive your brand-new car off the lot, its computing hardware and software are already 3-5 years old. It's competing with a smartphone that came out last month.


  1. Offline-First v
  2. Carmakers' Systems (e.g., BMW's iDrive, Mercedes' MBUX): Traditionally, these were designed to work primarily offline. They rely on a limited, pre-programmed set of commands stored locally in the car. This ensures basic functions work without a cell signal, but it makes them incredibly rigid and unable to learn or understand natural language.
  3. Google Assistant / Alexa / Siri: These are cloud-native. When you say "Hey Google," the audio is sent to massive data centers where powerful AI models process your speech, understand context, and fetch answers from the internet. This allows for continuous improvement without updating your phone's hardware.


Carmakers are now integrating these assistants (e.g., "Hey BMW" can activate the Google Assistant), but the native car systems are still often clunky.


  1. The Safety and Redundancy Straitjacket

Automotive software is governed by rigorous safety standards. Everything must be predictable, tested, and have a fallback.

  1. Consumer Tech: If Siri mishears "Call Mom" as "Call Tom," it's a minor annoyance. You try again.
  2. Automotive Tech: If a voice command for "defrost the windshield" mistakenly triggers "disable stability control," it could be dangerous. This forces carmakers to create very strict, narrow command trees ("Climate, set driver temperature to 72 degrees") instead of flexible, natural language.


  1. Bad User Experience (UX) and Conversation Design

Many car voice systems are designed by engineers, not conversation designers.

  1. Lack of Context: You can't have a conversation. If you say "I'm cold," a good system should turn up the heat. Most car systems will respond, "I don't understand that command." You must use the exact phrase: "Increase temperature."
  2. Slow and Verbose: They are often painfully slow, with long, unskippable prompts. "Please say a command... <beep> ...'Radio'... <pause> ...Please say a band or frequency... <beep>"
  3. No Personality or Intelligence: They can't handle ambiguity or follow-up questions. They lack the personality that makes Siri or Google Assistant feel somewhat responsive.


  1. The "Not Invented Here" Syndrome and Brand Fragmentation

For years, carmakers viewed the infotainment system as a key brand differentiator. They wanted their system, with their voice, to create a unique experience.

  1. This led to a dozen different car companies spending billions to reinvent a wheel that Apple and Google had already perfected.
  2. The result is a fragmented landscape where every brand has a different, and often inferior, system. You have to re-learn the specific quirks and commands for every rental car.


The Light at the End of the Tunnel: Google Built-In and Apple CarPlay


This is why the new generation of Google Built-in (which includes Google Assistant natively in the car's system, as seen in Polestar, Volvo, GM, and others) and full-screen Apple CarPlay are such a game-changer.


They essentially project a modern, familiar, and constantly updated smartphone interface onto the car's screen. The voice control is the same excellent Google Assistant or Siri you use every day.


In summary, car voice controls are underwhelming because they are built on outdated hardware, constrained by safety-first design, crippled by a lack of cloud intelligence, and often feature poor user experience—all while being judged against the hyper-advanced AI assistants we carry in our pockets. The industry's solution is increasingly to stop trying to beat them and instead to join them by integrating these proven platforms directly into the vehicle.

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