NHTSA Complaint #11499902 — 2021 VOLVO XC60

1.What component or system failed or malfunctioned, and is it available for inspection upon request? Blind spot sensor repeatedly malfunctioning. Vehicle generates "service required" message, and it appears that blind spot monitors fail to illuminate. Child safety locks also deactivate without driver input. Vehicle is currently available for inspection. 2. Has the problem been reproduced or confirmed by a dealer or independent service center? Dealer has updated the software multiple times but has not attempted to assess the hardware. 3. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? No. 4. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? Drivers side door buttons periodically do not illuminate and do not operate windows or locks. Vehicle cannot be locked at times, or only passenger side doors can be locked. Key fob and manufacturer app only work to lock the vehicle sometimes. Issues began approximately July 2022 and have repeated intermittently. Issues seem to be occurring more frequently and for longer. Issues have been particularly frequent and long lasting in the last week; vehicle last serviced at the dealer approximately 12/22/2022.