Anti-corrosion treatment — why it matters
The basics of corrosion, what should be protected and how long the coating lasts. Important points for new Chinese cars such as BYD, Haval and Chery.
ReadOne Garage Blog
We have collected useful materials about car care, new oil standards, hybrid and EV specifics, anti-corrosion protection and practical service advice.
Shell Helix Ultra 2025 and the new API SQ
What changed in API SQ, compatibility with older engines and what to look at before choosing oil.
ReadILSAC GF-7 (2025): what it is and why it matters
A new automotive standard focused on fuel economy and engine protection. Compatibility with your vehicle.
ReadValvoline Restore & Protect 2025
Technology for removing varnish and sludge while restoring engine cleanliness and performance.
ReadHybrid oils: what to choose
Viscosity, approvals, synthetic oils and PAO. Practical examples for popular hybrid vehicles.
ReadEngine care checklist
Service intervals, filters, fluids and what to watch in severe operating conditions.
ReadCastrol ON EV Transmission Fluid W5
What this EV transmission and axle fluid is, where it is used and why it matters.
ReadHeater cleaning without removal
Heater core flushing: when it helps, what to use and when full removal is still necessary.
ReadBMW i axle oils and fluids
Oils and fluids for BMW i3, iX, i4, i7 and electric X-series driveline units, including OEM and aftermarket options.
ReadDSG DQ400e oil change (Golf GTE, Passat GTE, Audi A3 e-tron, Skoda Superb iV)
This guide explains oil replacement in the hybrid DSG DQ400e gearbox used in MQB Hybrid models.
ReadR-134a vs R-1234yf: differences, cost and what happens if the wrong refrigerant is used
R-134a and R-1234yf are not interchangeable. Using the wrong refrigerant can contaminate the A/C system and damage the compressor lubrication cycle.
ReadWhy Audi e-tron electric motors use ceramic bearings
For Audi e-tron, bearing choice is not just about price. High rotational speed, heat load, parasitic currents, seal condition and shaft grounding all matter.
ReadAudi e-tron electronics problems
Audi e-tron electronics issues often start with Electrical system fault, drive system fault, charging problems or warning messages after rain, washing or without a clear reason.
ReadAudi e-tron Kyiv — diagnostics & repair
Audi e-tron diagnostics in Kyiv, charging errors, Electrical system fault, 12V battery, MMI and maintenance.
ReadAudi e-tron not charging — causes & repair
Why Audi e-tron is not charging, charging fault, DC/AC issues and when diagnostics is required.
ReadElectrical system fault Audi e-tron
What Electrical system fault means, possible causes and diagnostics in Kyiv.
ReadAudi e-tron 12V battery issues
Symptoms, electronic errors, MMI instability and charging impact.
ReadAudi e-tron slow charging
Slow charging reasons, DC/AC limits, battery temperature and diagnostics.
ReadAudi e-tron Owner Tips in Kyiv
Audi e-tron Owner Tips in Kyiv — Charging, MMI, 12V, Range and Diagnostics.
ReadAudi e-tron — diagnostics and useful guides in Kyiv
If you own an Audi e-tron or Audi Q8 e-tron, check these guides about charging, warning messages, diagnostics and maintenance: