New Study Finds Siri More Distracting Than Google Now While Driving
Siri and other voice-activated systems can cause potentially unsafe mental distractions lasting several seconds while driving, according to a new research study by the AAA Foundation for Traffic Safety. Siri's score of 3.4 on the five-point scale is considered more distracting than Google Now's 3.0 score, but less distracting than Microsoft Cortana, which received a 3.8 rating.

AAA's mental distraction rankings also included vehicles, ranging from the least distracting Chevy Equinox at 2.4 to the Mazda 6 at 4.6, which is nearly the highest level of cognitive distraction. The study found that mental distractions can persist for as long as 27 seconds after using hands-free or voice-activated systems, as drivers readjust to the task of driving.
“The lasting effects of mental distraction pose a hidden and pervasive danger that would likely come as a surprise to most drivers,” said Peter Kissinger, President and CEO of the AAA Foundation for Traffic Safety. “The results indicate that motorists could miss stop signs, pedestrians and other vehicles while the mind is readjusting to the task of driving.”
Researchers found that potentially unsafe levels of mental distraction can last for as long as 27 seconds after completing a distracting task in the worst-performing systems studied. At the 25 MPH speed limit in the study, drivers traveled the length of nearly three football fields during this time. When using the least distracting systems, drivers remained impaired for more than 15 seconds after completing a task.
AAA's mental distraction rankings while driving are broken down into five categories:
- Category 1: About the same as listening to the radio or an audio book
- Category 2: About the same as talking on the phone
- Category 3: Equivalent to sending voice-activated texts on an error-free system
- Category 4: About the same as uploading social media
- Category 5: Highly challenging, scientific test designed to overload a driver's attention
The study did not include the latest in-dash systems such as CarPlay or Android Auto.
The AAA Foundation for Traffic Safety published Phase I and Phase II of this study over the past few years. In the second phase, the foundation found Siri's high complexity and low intuitiveness resulted in some of the highest levels of mental distraction compared to other in-car tasks such as adjusting the radio or navigating complex menus.
Popular Stories
The upcoming iOS 18.4 update for the iPhone includes a smaller but meaningful improvement for Apple's in-car iPhone mirroring system CarPlay.
Specifically, CarPlay now shows a third row of icons, up from two rows previously. However, this change is only visible in vehicles with a larger center display. For example, a MacRumors Forums member noticed the change in a Toyota Tundra with a...
Despite being released over two years ago, Apple's AirPods Pro 2 continue to dominate the wireless earbud market. However, with the AirPods Pro 3 expected to launch in 2025, anyone thinking of buying Apple's premium earbuds may be wondering if the next generation is worth holding out for.
Apart from their audio and noise-canceling performance, which are generally regarded as excellent for...
Apple is planning for a major design overhaul of the iPhone, iPad, and Mac interfaces with the introduction of iOS 19, iPadOS 19, and macOS 16 later this year, reports Bloomberg. The update will "fundamentally change" the look of Apple's operating system, introducing a more consistent cross-platform experience.
Apple plans to update the style of icons, menus, apps, windows, and system...
Daring Fireball's John Gruber today shared some strongly-worded comments about Apple's delayed personalized Siri features. Gruber is a well-known Apple pundit who has been writing about the company for more than two decades.
In a blog post titled "Something Is Rotten in the State of Cupertino," Gruber said Apple's credibility has been "damaged" by the delay:Keynote by keynote, product by...
iPhones are finally getting a much-requested setting, but availability is limited.
The upcoming iOS 18.4 update introduces an option to set a default navigation app, other than Apple Maps, but unfortunately this new setting is limited to users in the EU. There, you can now set an app like Google Maps or Waze as your default navigation app on the iPhone by opening the Settings app and tapping ...
Apple is set to release iOS 18.4 in early April, bringing further refinements to Apple Intelligence features, a neat new capability to iPhone 15 Pro devices, new emoji, and more.
While not quite as packed with new features as Apple's preceding iOS 18 point releases, iOS 18.4 still introduces enhancements that aim to make your iPhone smarter and more intuitive. Below, we've listed 12 new...
Apple One allows you to subscribe to up to six Apple services for one discounted monthly price. There are three Apple One tiers: Individual, Family, and Premier.
Over the last month, the highest-end Apple One Premier plan has gained two additional perks.
Here is what Apple One Premier already included, for $37.95 per month:Apple Music
Apple TV+
Apple Arcade
Apple News+
Apple Fitness+...
Apple's upcoming iPhone 17 Pro models are expected to feature a significant design overhaul, and a new image apparently taken on an assembly line for the unreleased devices appears to confirm the biggest rumored change.
Render of an iPhone 17 Pro model shared by Jon Prosser
The iPhone 17 Pro and iPhone 17 Pro Max are rumored to adopt a horizontal camera bar reminiscent of Google's Pixel...
Apple is planning a radical redesign of macOS with version 16, and it could be the most significant visual refresh since macOS Big Sur was introduced in 2020, according to Bloomberg.
MacRumors concept render
The upcoming Mac operating system will reportedly be part of Apple's sweeping effort to create a more consistent interface across all of its platforms, including iPhone, iPad, and Apple...