There are 4 owner-reported driver assist & adas complaints for the 2018 GMC Acadiain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
My 2018 GMC Acadia is having the shift to park error. Causing it to not park; or error it causing us not to be able to turn vehicle off or know if it's in park. It pops up multiple times.
The contact owns a 2018 GMC Acadia. The contact stated that upon parking the vehicle and attempting to release the key from the ignition switch, the key seized inside the ignition switch. The contact stated that either the “Parking Assist” or the “Steering Assist” warning light was illuminated during the failures, and the A/C system became inoperable. The failure had occurred on several occasions. The vehicle was taken to the dealer, where it was diagnosed with Parking Assist and Steering Assist failures. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was approximately 98,000. The VIN was not available.
Blind spot warning light is not working. There is a previous recall for this for 2014-2017 GMC Acadia Models for the same issue. The issue has not clearly been fixed with models after 2017
WHEN PARKING CAR IT KEEPS TELLING US TO PARK WHEN IT IS IN PARK AND WE CAN TURN IT OFF
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026