Warning light on?
Tap the symbol you see on your dashboard.
Instant answer: what it means, whether you can keep driving, and what the fix usually costs.
Step-by-step roadside guides
One step per screen, big tap targets, safety callouts — made to be used from your phone when it actually happens.
How to Change a Tire
Change a flat tire safely in about 20 minutes.
12 steps · 25 minHow to Jump Start a Car
Jump start a dead battery safely with the correct cable order: red to dead +, red to donor +, black to donor −, black to bare metal on the dead car.
11 steps · 15 minHow to Parallel Park
Parallel park in 8 repeatable steps: line up mirror-to-mirror, reverse at 45°, straighten, and tuck in.
9 steps · 10 minHow to Rotate Tires
Rotate your tires every 5,000–8,000 miles with the right pattern: forward cross (FWD), rearward cross (RWD/AWD), X-pattern, or side-to-side for staggered setups.
8 steps · 50 minTire Pressure Light: What to Do
TPMS light on? Check and inflate to the door-jamb PSI (not the sidewall max), then reset the light — by driving, a button, or a menu, depending on your car.
7 steps · 15 minFlat Tire Repair: Plug, Patch, or Replace?
Which flats can be repaired and which can't: tread punctures under 1/4 inch can be plugged or patched; sidewall, shoulder, and large damage mean replace.
8 steps · 30 minHow to Replace a Car Battery
Replace a car battery in 20 minutes: negative terminal off first and on last, memory-saver tips, hold-down removal, and how to dispose of the old battery.
10 steps · 20 minHow to Clean Battery Corrosion
Clean white/green battery terminal corrosion with baking soda and water, a wire brush, and terminal protectant — safely, negative terminal first.
7 steps · 20 minHow to Do a 3-Point Turn
Turn your car around on a narrow road with a 3-point turn: pull right, full-left forward, full-right reverse, forward out.
7 steps · 5 minHow to Merge Onto a Highway
Merge onto the highway smoothly: use the full on-ramp to match traffic speed, signal, find your gap, and slot in — plus zipper-merge etiquette.
7 steps · 5 minBuilt to be used, not read
Tap-through tools designed for a phone, on a shoulder, on bad signal. Every page works as a static page — fast anywhere.
Safety-first guidance
Procedures follow mainstream automotive guidance, with callouts where a job can hurt you. When in doubt, we say call a pro.
Your manual always wins
Specs vary by vehicle. Where they do, we point you to your owner's manual instead of inventing numbers.