Choose a starting point
Practical help without the shop jargon
WRNCH is designed for the moment you are standing beside the vehicle with one hand free and a question that needs a clear answer.My Garage
Keep vehicles, mileage, notes, and service history on this device.
Open →Maintenance
Phone-friendly procedures for the jobs owners tackle most often.
Open →Troubleshoot
Start with a symptom, make safe observations, and decide what comes next.
Open →Dashboard lights
Understand urgency before deciding whether to keep driving.
Open →Most-used procedures
The jobs worth learning first
Every guide includes preparation, tools, numbered steps, success checks, common mistakes, and a clear point to call a professional.Moderate30–45 min
Change a flat tire
Get safely from a flat tire to a correctly mounted temporary or full-size spare.
Read guide →Moderate45–75 min
Change engine oil and filter
Drain old engine oil, replace the filter, refill carefully, and verify the result without guessing specifications.
Read guide →Easy10 min
Check tire pressure
Set cold tire pressure from the vehicle placard, not the tire sidewall maximum.
Read guide →Moderate15–25 min
Jump-start a vehicle
Use a compatible jump pack or donor vehicle while minimizing spark and polarity hazards.
Read guide →Maintenance rhythm
A notebook, not a magic number
Actual intervals vary by model, engine, use, and time. Use this as a check-in rhythm, then follow the schedule for your exact vehicle.Monthly / before trips
- Tire pressure and visible damage
- Engine-oil level
- Exterior lights
- Washer fluid
- Leaks beneath vehicle
At each oil service
- Tire tread and rotation need
- Brake visual check
- Fluid levels
- Belts and hoses
- Wiper condition
Seasonally
- Battery/charging health
- Coolant protection and leaks
- Cabin and engine filters
- Spare tire and emergency tools