Case Studies and Service Provider Experiences
In the collection below, you'll find all documented case studies and experiences from my interactions with various service providers and companies. Each case is based on real-life experiences and documents the problems, solutions, and lessons learned in detail.
The Strictness of the Skyguard System: Personal Experiences
3 hoursReal-world experiences with the Skyguard car security system, unexpected lockdown situation and potential system issues, particularly focusing on impacts to the airbag system.
Read the full case studyAudi RS6 Performance Test Weekend: Where Power Meets Technology
4 hoursPersonal experience report on the Audi RS6 Performance model (460 kW) tested thanks to Porsche Hungary, compared with the daily-use Audi A6 Allroad C7 model. Detailed insights about driver assistance systems, head-up display, and four-wheel steering.
Read the full case studyParking Fee Incident – Role of AutoSecurit SkyGuard and SmartKey Application
6 hoursHow I received an unjustified parking fine due to a malfunction in the SkyGuard app and the role SmartKey played in clarifying the case. Detailed experience and lessons learned on possible defense strategies.
Read the full case studyHow I Discovered My Missing Treatments in the EESZT System
4 hoursA personal story of how I accidentally discovered missing health treatments in the EESZT summary. Highlights of flaws in the electronic health record system and key takeaways.
Read the full case studyMy Experiences with CarVertical Over the Past 7 Years
15+ hoursResults of my CarVertical vehicle history reports tested over seven years and compared with AutoDNA and official Hungarian records. Analysis of significant omissions, inaccuracies, and refund experiences.
Read the full case studyHow I Use AI in Presentations
1 hoursIn this article, I share how I integrate Microsoft Copilot and other AI tools into my presentation creation workflow while maintaining personal ownership of content and ensuring effective communication with my audience.
Read the full case studyMicrosoft Technologies Comparison: AI and Business Solutions
1 hoursComprehensive comparison of Microsoft AI and business solutions, including Microsoft Copilot, Power BI, Power Apps, Power Automate, and Power Virtual Agents platforms, with practical advice for successful implementation.
Read the full case studyHigh Availability in Home Office
40+ hoursBuilding professional system for home work - how to ensure continuous internet connection even during service provider outages
Read the full case studyMy Facebook Account Blocked - Could It Be for Documenting Digi Kft / One Service Issues?
1 hoursFacebook has blocked my personal account shortly after I objectively documented Digi Kft / One service issues. Is there a causal connection? Or is it just a coincidence?
Read the full case studyDigi Kft/One Internet Outage
30+ hoursFrom packet loss problems to full internet outage in Haller street 23-25. Digi Kft is not able to fulfill stable Internet connection for more than 6 weeks.
Read the full case studyDigi Kft / One Internet Problems
15+ hoursChronic internet instability problems in the Haller Street 23-25/A building. How does an internet service provider handle systemic errors, and why is collective action important to enforce service provider accountability?
Read the full case studyMobile Service Providers Customer Service Experiences
10+ hoursExperiences with domestic mobile service providers' customer service, technical support, and problem-solving capabilities.
Read the full case studyAudi oil pressure valve replacement
3 hoursIn the following detailed description, I share my personal experiences about replacing a common but important part – the oil pressure regulator (part number: 06E115243G) – in my Audi vehicle equipped with a BiTDI CVUA engine.
Read the full case studyAudi Q3 Injector Problem
4+ hoursInjector problem at just 47,000 km. My acquaintance learned from me that Audi can repair the car on a goodwill basis. Experiences and advice on how to communicate with the brand service in such cases.
Read the full case studyAudi Rear Brakes +15,000 km
7 hoursHow I doubled the lifespan of rear brake pads? With proper maintenance, the brake pads lasted 35,000 km instead of the usual 15,000 km. Detailed documentation on brake caliper slide maintenance and the importance of using the correct materials.
Read the full case study3.0 V6 Engine Non-Return Valve Problems - G13 Coolant Caused Failures
25 hoursProblems arising from the incompatibility between G13 coolant and non-return valves (059121155AG, 059121155AH) in 3.0 V6 TDI engines. How this hidden issue causes persistent injector and DPF failures, and why it's difficult to diagnose.
Read the full case studyG13 Coolant Caused Problems
30+ hoursHow many headaches could the G13 coolant cause? What did it damage and how much was the repair? We always replaced only what broke, but the underlying cause wasn't recognized. Lessons from a complex diagnostic problem.
Read the full case studyCar Service Quality Control Deficiencies
6 hoursI took my car from the service with a punctured and improperly repaired wheel. What can we do when a professional service doesn't perform proper quality control, and what rights do we have in such cases?
Read the full case studySaaS Billing Software Problems
10+ hoursWhat serious WordPress bugs did we report to the software developers? Not a single email was answered, and they still struggle with basic problems today. What alternatives exist and how to choose reliable billing software?
Read the full case studyAudi Quattro 1% Tire Profile Difference – Facts and Myths
3 hoursThe story of an unexpected discovery that debunks a common myth about the Audi Quattro system. Is there really only a 1 mm tolerance allowed for tire sizes?
Read the full case studyTire Puncture with No Cell Coverage at Red Lake Romania Pass
5 hoursPersonal experience with a tire puncture in the Red Lake mountain pass in Romania with no cell coverage - Using Audi Mobility Guarantee, Continental Sport Contact tire replacement, and survival tips for mountain driving emergencies.
Read the full case studyHealthcare Provider vs. Health Fund
12 hoursHow I managed to get the healthcare provider - who initially refused - to cancel the invoices and issue new ones to the health fund. Experiences and lessons from a successful customer complaint story.
Read the full case studySuccessful Cataract Surgery: My Mother's Story
4+ hoursA detailed account of my mother's successful cataract surgery, comparing experiences in Romania and Hungary, including the process of procedures successfully performed at the Budai Eye Center.
Read the full case studyAutosecurit Zrt / Skyguard Car Security Service Complete Outage
40+ hoursExperiences and lessons from the 40+ hour complete outage of the Skyguard security service operated by Autosecurit Ltd. Critical deficiencies in the IT infrastructure of a security service. Consequences of inadequate business continuity planning (BCDR), recovery time objective (RTO) and recovery point objective (RPO).
Read the full case studyTelekom Apple eSIM, Apple Watch eSIM and MultiSIM Service Issue
20+ hoursAs a technically minded person, I've always been attracted to trying new technologies. When Telekom announced Apple Watch eSIM support, I immediately signed a contract, but the service didn't work... A 15-month journey began in the world of problem-solving, which eventually ended in success.
Read the full case studyAudi Rear Brake Preventive Repair
5+ hoursHow much can you save with Audi rear brake preventive repair? Personal experiences and specific figures on the importance and financial benefits of preventive maintenance.
Read the full case studyFactory Improperly Assembled Panoramic Roof
15+ hoursProblems with Audi's factory improperly assembled panoramic roof from day 0. How did the dealerships handle the situation, and what solution was eventually found for this manufacturing defect?
Read the full case studyMissing Treatments in EESZT
8 hoursHealthcare provider failed to fulfill its data reporting obligation to the EESZT (Electronic Health Service Space). How to remedy the problem afterward, and what consequences can incomplete data provision have for both the patient and the provider?
Read the full case study10 Years with Kulcs-Soft: The Lack of Evolution in a Hungarian Billing Software
15+ hoursA decade-long journey with an unchanging software solution (2010-2020) and the inevitable need for change. Experiences and lessons about the long-term effects of technological debt.
Read the full case studyInsurance Data Protection Incident
9 hoursIt turned out that the agent didn't even work for the insurance company they claimed to represent. A serious data protection incident occurred, leading to unauthorized handling of personal data. What can we do in such cases and what legal options do we have?
Read the full case studyAudi Side Assist Sensor Replacement
8+ hoursThey could have replaced the Side Assist sensors under goodwill, but I didn't know about this process at the time. Other parts could have been replaced too, so the repair cost me 700,000 HUF. Lessons and tips on how to proceed professionally.
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