RoadVitals

2001 INFINITI Q45 Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
5
Latest Mar 5, 2026
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
1
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
1
Reports on file since Aug 1, 2003

What this page shows

Our database holds 5 NHTSA owner-reported complaints for the 2001 INFINITI Q45. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–5 of 5

Seat belts
Filed Mar 5, 2026

The contact owns a 1999 Infiniti Q45. While the vehicle was parked, the contact became aware that the driver's seat belt strap was shredding. The vehicle was taken to the dealer at the manufacturer's request. The contact was informed that the seat belt strap needed to be replaced and that the part was ordered. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was filed. The contact later received an email from the manufacturer stating that the parts were no longer manufactured. The contact was informed that there was no fix for the vehicle. The failure mileage was approximately 295,000. The VIN was unavailable.

NHTSA ID
11722201
Incident
Dec 17, 2025
Mileage
295,000 mi
Electrical
Filed Jan 16, 2007

TL* - THE CONTACT STATED THAT DURING 2006 THEY REPLACED THE ALTERNATOR IN HER 2001 INFINITI Q45. THE CONTACT IS CONCERNED BECAUSE SHE WAS INFORMED OF A RECALL IN CANADA FOR A SIMILAR FAILURE. THE CURRENT ODOMETER READING IS 79000. *NM UPDATED 03/02/07. *JB

NHTSA ID
10178823
Incident
Dec 1, 2005
Electrical
Filed Dec 11, 2004

VEHICLE EXPERIENCES A TOTAL ELECTRICAL SHUTDOWN. FIRST OCCASION WAS AFTER A 6 HOUR DRIVE AND SHUT DOWN IN THE PARKING LOT. VEHICLE WAS TRANSPORTED 100 MILES TO NEAREST INFINITY DEALERSHIP, ALTERNATOR CHECKED OUT, RECHARGED THE BATTERY AND RETURNED THE VEHICLE. SECOND EXPERIENCE OCCURRED 1 MONTH LATER WHILE DRIVING THE VEHICLE AGAIN EXPERIENCED TOTAL SHUTDOWN, ALL LIGHTS ON DASH CAME ON, ENGINE SHUTDOWN. VEHICLE TOWED TO INFINITY DEALERSHIP, REPLACED ALTERNATOR AND BATTERY, AS OF THIS DATE CONTINUING TO SEARCH FOR CAUSE. *JB

NHTSA ID
10102680
Incident
Dec 10, 2004
Mileage
54,326 mi
Seat belts
Filed Sep 28, 2004

CHILD SAFETY SEAT FAILURE, HARNESS ADJUSTER FAILS TO PROPERLY TIGHTEN. *BF *SC *JB

NHTSA ID
10095490
Incident
Sep 1, 2004
Driver assistance
Filed Aug 1, 2003
Crash reported

WHEN THE CONSUMER PLACED THE VEHICLE IN THE REVERSE GEAR THE VEHICLE ACCELERATED SUDDENLY AND CAUSED AN ACCIDENT. *AK *CB *NLM

NHTSA ID
10026873
Incident
May 16, 2003

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Data sources

Data on this page last refreshed .