All Reported Problems
Every documented issue for this vehicle, organized by category
Documentation Opacity
5 issues reported
Hyundai Canada's Ioniq 9 trim lineup has confusing pricing where the higher-spec Preferred AWD+ trim costs the same as the base Preferred AWD but omits features like heated steering wheel, NFC key, ce...
Some recent IONIQ 9 deliveries in Canada lacked a charging cable (only adaptors); US models include standard AC Level 2 charging cable and CCS adapter.
Owners report conflicting information on whether the Ioniq 9 supports Vehicle-to-Grid (V2G) or Vehicle-to-Home (V2H) features, with some databases listing it as announced while Hyundai's site states n...
The Ioniq 9's swiveling second-row seats, available in markets like Korea, are not offered in the US due to failure to meet crash safety regulations.
Hyundai's ecosystem of multiple privacy policies, notices, and supplements for its connected services is tedious, confusing, and hard to navigate.
Electronic Alerts & Nags
6 issues reported
The Ioniq 9 has a safety feature that requires the driver's seatbelt to be fastened before allowing the vehicle to drive forward. If not buckled, pressing the accelerator causes a jarring hard stop, w...
The lane change assist feature requires hands on the wheel but cancels itself repeatedly during use. This makes the system unreliable for assisted lane changes.
Active sound design artificially generates engine-like noises inside the cabin, such as a constant Formula 1-style drone. Owners report it cannot be easily silenced and runs almost nonstop.
The reverse pedestrian warning uses a single front speaker that gets excessively loud when backing up. This is due to the speaker placement, forcing higher volume for audibility.
The lane keeping assist system unexpectedly activates and interferes with normal driving. It requires manual disabling each time to avoid interruptions.
Highway Driving Assist monitors steering wheel torque and nags the driver to keep hands on the wheel if undetected for too long. It eventually yells at the driver to take control.
Interface Friction
9 issues reported
The power-operated third-row seats take a long time to slide forward or fold, often requiring repeated button presses or holding the button. This delays access for passengers, leaving families waiting...
The digital side-view camera mirrors provide poor depth perception, inadequate zoom, limited parking views, and require awkward close-up focusing. Reviewers strongly dislike their strange appearance a...
The infotainment system's menus are complicated, confusing, and hard to navigate, especially deeper submenus for music, mapping, and charger selection which often list duplicates. Users find it less i...
Driver profiles are complicated to set up, fail to automatically assign the correct profile, and inconsistently share settings like Highway Driving Assist 2 across profiles. Users must manually switch...
Preferences like one-pedal driving and seat ventilation reset every time the car starts, forcing manual reconfiguration on each drive.
The touch panel for climate controls becomes impossible to read in direct sunlight, forcing drivers to look away from the road to make adjustments despite physical temp knobs.
The manual start/stop button is redundant and leads to accidentally leaving the car powered on, unlike walk-away systems in competitors.
The digital gauge cluster lacks sufficient information and cannot be configured to display navigation maps or music details in the driver's direct view.
The excessive number of physical buttons overwhelms the interface, with the home button inconsistently requiring one or multiple presses to function.
OTA Behavior
1 issue reported
Nearly a year after US sales began, Hyundai's update site did not list IONIQ 9, but vehicle supports over-the-air software updates via infotainment.
Privacy & Surveillance
7 issues reported
Hyundai's vehicle technologies and services collect vast amounts of sensitive data including geolocation, driving behavior, seatbelt usage, sensor data, images, voice recordings, biometric info, purch...
Hyundai sells or shares personal data like identifiers, geolocation, inferences, and customer records (including medical info) with affiliates, ad companies, marketing partners, SIRIUS XM, social medi...
Hyundai shares personal, vehicle, and precise location data with law enforcement and governments based on informal requests without needing court orders, raising surveillance concerns.
Opting out of data collection from vehicle technologies and services makes most connected features unavailable, effectively forcing users to accept tracking for basic functionality.
Rights to opt out of data sales or sharing are restricted to residents of certain states like California, leaving most users without universal recourse.
Hyundai suffered a data breach exposing personal information of car owners who booked test drives, highlighting risks to user privacy.
Hyundai vehicles have been vulnerable to hacking and theft, including the 'Kia Challenge' affecting millions of cars and use of public encryption keys allowing easy software access.
Remote Control Capability
1 issue reported
The Hyundai IONIQ 9's remote control system allows tracking the vehicle's location via connected services. Owners report that Hyundai can access this data regardless of user privacy settings, such as ...
Software Stability
1 issue reported
The infotainment system serves as the vehicle's main computer, controlling screens, navigation, and connectivity. Owners report it failing completely shortly after purchase, such as after just 1.5 day...
Subscription Lock-in
3 issues reported
The base S trim of the Hyundai IONIQ 9 lacks a phone-as-key feature, requiring use of a physical key fob and ignition start, unlike Tesla vehicles. Owners accustomed to phone key convenience report st...
Early Hyundai Bluelink promotions offered discounts that owners found misleading; Bluelink+ connected services are now standard at no extra cost for original IONIQ 9 owners, including remote start.
Over-the-air (OTA) software updates for the IONIQ 9 in Canada require a paid Bluelink Extra Services subscription, with past Hyundai models needing cumbersome manual USB update processes that became i...
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