47-Day Repair, Overheating Breakdown, and Ongoing Issues — In Progress
I brought my 2017 Genesis G80 in on May 14, 2026, reporting dried coolant residue at the upper coolant hose connection and requesting a full inspection of the cooling system, spark plugs, transmission fluid, and suspension. The vehicle stayed 47 days. I was told repairs were complete June 26, and picked it up June 30. The invoice recorded mileage in/out as identical, inconsistent with a test drive.
Five days later, on July 5, the engine overheated while driving. The dash read "Engine has overheated." I couldn't continue driving and left the vehicle until the dealership retrieved it. It went back in the next day.
On July 8 I was told the repair would be done by July 15. That passed with no vehicle, no explanation. On July 28 I was told it was complete and ready. Due to my work schedule, I retrieved it August 3. When I asked if it had been test driven, the advisor said she hadn't driven it, but the shop foreman had. The invoice again showed identical mileage in/out.
I'd reported Lane Keep Assist/Lane Departure Warning non-functional July 9. I was told the technician confirmed it working. I checked myself — it wasn't. A washer nozzle reported around the same time followed the same pattern.
After the August 3 pickup, I found a fractured bracket and missing hardware, despite requesting twice in writing that all hardware be accounted for. Staff initially said they had no involvement; the technician's position was he "didn't have to go under the hood."
I later found several more points of missing/unseated hardware, including empty bolt holes with nothing installed. I've also noticed a chemical, exhaust-like cabin odor — not present before these repairs — possibly carrying a carbon monoxide risk. Since August 10, the vehicle has produced smoke while driving and idling. It clears on its own but continues briefly after shutoff, recurring daily.
To their credit, after I sent photos of the bracket, the shop foreman identified the part and ordered it at no cost.
Update: A public reply here directed me to GM John Wayne Patrick; I followed up directly by email. I also opened a case with Genesis Motor America Consumer Affairs (Case #43096941), handled by Chye. Despite three prior instances of loaner vehicles in this case, Genesis Montgomery now says none is available. As original owner, I hold the 10-year/100,000-mile powertrain warranty and am within ~1,500 miles of that mark on issues reported well before it.
I've since filed with the Better Business Bureau, the Alabama Attorney General's Consumer Protection Division, and NHTSA.
Update August 25: At the appointment to install the bracket part, Genesis Montgomery couldn't diagnose the smoke/odor in-house and took my vehicle to a Hyundai service center. Someone there suggested oil residue burning off, but that didn't match what I've observed and asked for it to be properly verified. The fractured bracket has now been repaired. Genesis Montgomery identified a leak as the cause of the cabin odor and smoke, and I've been offered an appointment on September 8th, at my convenience, with a loaner vehicle provided while they work on it. I'll update again once the leak is actually repaired and I've confirmed the odor is resolved.
For anyone evaluating a service department: get every commitment in writing, verify any reported repair yourself before leaving the lot, and photograph or video everything before and after service.
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Five days later, on July 5, the engine overheated while driving. The dash read "Engine has overheated." I couldn't continue driving and left the vehicle until the dealership retrieved it. It went back in the next day.
On July 8 I was told the repair would be done by July 15. That passed with no vehicle, no explanation. On July 28 I was told it was complete and ready. Due to my work schedule, I retrieved it August 3. When I asked if it had been test driven, the advisor said she hadn't driven it, but the shop foreman had. The invoice again showed identical mileage in/out.
I'd reported Lane Keep Assist/Lane Departure Warning non-functional July 9. I was told the technician confirmed it working. I checked myself — it wasn't. A washer nozzle reported around the same time followed the same pattern.
After the August 3 pickup, I found a fractured bracket and missing hardware, despite requesting twice in writing that all hardware be accounted for. Staff initially said they had no involvement; the technician's position was he "didn't have to go under the hood."
I later found several more points of missing/unseated hardware, including empty bolt holes with nothing installed. I've also noticed a chemical, exhaust-like cabin odor — not present before these repairs — possibly carrying a carbon monoxide risk. Since August 10, the vehicle has produced smoke while driving and idling. It clears on its own but continues briefly after shutoff, recurring daily.
To their credit, after I sent photos of the bracket, the shop foreman identified the part and ordered it at no cost.
Update: A public reply here directed me to GM John Wayne Patrick; I followed up directly by email. I also opened a case with Genesis Motor America Consumer Affairs (Case #43096941), handled by Chye. Despite three prior instances of loaner vehicles in this case, Genesis Montgomery now says none is available. As original owner, I hold the 10-year/100,000-mile powertrain warranty and am within ~1,500 miles of that mark on issues reported well before it.
I've since filed with the Better Business Bureau, the Alabama Attorney General's Consumer Protection Division, and NHTSA.
Update August 25: At the appointment to install the bracket part, Genesis Montgomery couldn't diagnose the smoke/odor in-house and took my vehicle to a Hyundai service center. Someone there suggested oil residue burning off, but that didn't match what I've observed and asked for it to be properly verified. The fractured bracket has now been repaired. Genesis Montgomery identified a leak as the cause of the cabin odor and smoke, and I've been offered an appointment on September 8th, at my convenience, with a loaner vehicle provided while they work on it. I'll update again once the leak is actually repaired and I've confirmed the odor is resolved.
For anyone evaluating a service department: get every commitment in writing, verify any reported repair yourself before leaving the lot, and photograph or video everything before and after service.