17 Trucos ESCONDIDOS de Tu Auto Que NADIE Conoce (Consejos de Profesional)

Product Reviewed

This is not a single product. The video is a compilation of “hidden” car features and practical maintenance habits across various makes/models—plus a clear focus on which tips are legit versus myths.

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Main Features / Hidden Functions Highlighted

Outside

• Gas tank cap side indicator

  • The dashboard fuel pump icon includes a small arrow pointing to the side of the fuel door/cap (common on modern cars, and “almost nobody notices”).

• Fueling warning after automatic shutoff

  • If the pump clicks off automatically, don’t keep topping the tank to the brim.
  • Excess fuel can enter the system designed for vapor handling, potentially causing an engine light and expensive repairs.

• Tire pressure vs printed tire number

  • The number printed on the tire sidewall is the maximum load capability, not the recommended tire pressure.

• Where to find correct tire pressure

  • Use the sticker on the driver-side door frame (sometimes also shown on the fuel tank cap).

• When to measure tire pressure

  • Measure when cold, or after driving less than 2 km (heat inflates readings).

• Tire manufacturing date

  • 4 digits inside an oval indicate the week/year.
  • Rubber degrades with age even if tread looks new.

• Uneven wear / “steps”

  • Uneven tread or a “stepped” feel by hand often indicates alignment/suspension issues, not a tire defect.

• Windshield wipers & glass cleaning trick

  • Clean the wiper rubber edge using alcohol + a cloth to remove black grime.
  • Many streaks are caused by dirty/greasy windshield glass, not wiper blades.

• Inside windshield “degassing” film

  • A new-car/vapor/heat-related oily film can appear on the coldest surface (the windshield).
  • Standard cleaners may not work well.
  • Recommended mix: 50% isopropyl alcohol + 50% water (prefer distilled water).
  • Use two microfiber towels:
    • one lightly damp,
    • one dry to polish immediately.
  • Spray fabric (not glass) and clean in shade to prevent premature drying/scratches.
  • Scratch-direction identification trick:
    • Clean the inside with horizontal strokes
    • Clean the outside with vertical strokes
    • This helps identify which side the scratch is on.

• Windshield base + grille airflow intake

  • Under the plastic panel at the windshield base, leaves/moisture can block the intake and cause musty smells.

• A/C condenser cleaning

  • Behind the grille is the A/C condenser.
  • If it’s clogged with dust/leaves/insects, the A/C may blow lukewarm air.
  • Rinse with a garden hose at moderate pressure.
    • Avoid pressure washers—fins bend easily.

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Inside Cabin

• Front seat “emergency tool” idea

  • Front headrests can often be removed.
  • The exposed metal posts may be used to break a side window in an emergency.

• Turn signal “lane change” one-touch behavior

  • The lever has a first resistance point that makes the turn signal:
    • flash three times, then
    • auto-cancel.

• Steering wheel adjustment range

  • Beyond up/down, many cars also adjust closer/farther using the same lever.

• Rearview mirror night mode

  • A small lever below the mirror is used for night mode to reduce glare from vehicles behind.

• Blind spot mirror adjustment claim

  • Adjust mirrors so that, while passing, the other vehicle appears almost simultaneously in the rearview mirror and side mirror—reducing the “disappearing gap.”

• Climate control: “three hidden uses”

  • Recirculation button
    • On: recools already-cold air → faster cooling
    • Off: uses outside air (occasionally helpful on trips to prevent fogging)
  • Defrost correction
    • If the windshield fogs inside, heat alone may not be enough (often humidity-related).
    • Use A/C + heat together.
    • Keep recirculation off for faster clearing.
    • Claims that A/C can work for this purpose even in winter.
  • Anti-musty-smell habit
    • In the last 2–3 minutes before arrival:
      • turn off the compressor
      • run only the fan
    • This dries the evaporator to prevent the musty smell from returning.

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Dashboard / Hood

• Dashboard bulb self-test

  • Turn the key to the ignition position (no start).
  • Warning lights momentarily illuminate as a self-check.
  • If a bulb is burned out, you may never see that warning later (especially oil pressure and temperature lights).

• Oil pressure light treated as an emergency

  • If it comes on while driving or doesn’t go out after starting:
    • turn off the engine immediately
    • do not accelerate
  • The claim is that engine damage can occur in minutes.

• Overtemperature response

  • If temperature rises:
    • turn off A/C
    • turn heater on full blast + max fan (heater as an emergency radiator)
    • pull over

• Check engine light free diagnostic shortcut

  • Before paying for a code reader:
    • check the gas cap tightness (clicks; gasket not worn).

• Trunk spare tire readiness

  • Lift the floor mat and check spare tire pressure.
  • Re-check spare pressure when checking other tires (spares lose air).
  • Assemble tools in the garage and confirm correct jack support points (wrong placement can damage the chassis).

• Oil dipstick correct reading

  • A cold engine on level ground can give a false reading.
  • Clean the dipstick, reinsert fully, and read again—the first read doesn’t count.

• Oil condition clues

  • Not just level—also color/texture:
    • Milky brown or gritty texture can indicate coolant mixing with oil.

• Battery terminals check

  • Try moving terminals by hand—should not move more than about 1 mm.
  • Look for greenish-white powder (corrosion/insulator buildup) even if the battery seems fine.

• Hoses inspection (cold engine)

  • Squeeze hoses:
    • Healthy: firm but slightly flexible
    • Hard or spongy-soft: deteriorated internally and may burst.

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Non-Hidden “Best Trick”

• 10 seconds of silence before starting (engine health habit)
  • On cold start days, turn off the radio for ~10 seconds.
  • A healthy engine reaches a smooth idle in 15–20 seconds.
  • Listen for new sounds (ticking/whistle/knock/idle not settling) early.
  • Presented as a strategy that can prevent expensive engine repair.

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Pros (As Presented)

• Strong emphasis on safety
  • oil pressure/temperature emergencies
  • correct tire pressure
  • correct mirror usage
• Helps save money by avoiding unnecessary replacements
  • e.g., correct wiper/glass cleaning before blaming blades
• Offers free/low-cost checks
  • gas cap before code reading
  • dashboard bulb self-test
  • spare tire pressure
  • dipstick/battery/hoses checks
• Improves performance and comfort
  • faster A/C cooling
  • faster defogging
  • stops musty smell
• Encourages early detection:
  • “small problems are quiet and cheap; big problems are loud and expensive.”

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Cons / Risks Mentioned

• Myth risk: Overinflating tires
  • Called “a little effective but dangerous”
  • Can reduce contact patch → less grip and longer braking distance, especially when wet.
• Topping off after pump auto shutoff
  • Can cause faults and trigger the engine light.
• Don’t pressure wash the condenser
  • Fins bend easily.
• Emergency glass caution
  • Don’t break the windshield.
  • Recommends using side/corner of tempered side windows instead.
• Wrong jack placement
  • Can damage the chassis.

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Myths / “Things to Throw Away” (Explicit Comparisons)

The video debunks popular “mechanic secrets,” stating they do nothing or can be harmful:

• Plastic bag or magnet on the fuel line: “Does absolutely nothing”
• Downshifting to neutral to save gas: Claims modern cars cut fuel on lift-off; in neutral the engine still burns fuel, potentially using more and risking running out.
• Engine braking as a downhill “saves fuel” strategy: Says it can heat up brakes when you need them most.
• Overinflating tires: “Works a little but dangerous” due to reduced grip/braking distance.

It then matches each category with what the viewer “should do instead” (fuel pump arrow, door sticker tire pressure, A/C for defrost, oil pressure emergency handling, gas cap before diagnostics, spare tire checks, condenser rinsing, etc.).

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Key Numerical Details / Ratings Mentioned

• Smooth engine idle stabilizes in 15–20 seconds
• Tire pressure rule: measure when cold or after < 2 km
• Musty smell timing: last 2–3 minutes before arrival
• Turn signal behavior: flashes three times
• Tire age logic: example includes “10 years old”
• Battery terminal movement: should not exceed about 1 mm

(No star ratings or scores were given.)

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Concise Verdict / Recommendation

Highly recommended as a practical, safety-focused driver checklist. The strongest value is early detection (listening habit + dashboard bulb self-test + oil pressure/temperature emergency handling) and free fixes (gas cap, dipstick/battery/hoses checks, spare tire pressure). It also warns against widely shared myths that waste money or reduce safety.

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Unique Points Grouped by Location (Complete List)

1. Fuel pump icon arrow shows which side gas cap is on.
2. Don’t “top off” after pump auto shutoff; can cause engine light/expensive fault.
3. Tire sidewall number ≠ required pressure; door-frame sticker is authoritative.
4. Measure tire pressure cold / after < 2 km.
5. Tire manufacturing date from 4 digits in oval; rubber degrades with age.
6. Uneven tread/“steps” can indicate alignment/suspension issues.
7. Clean wiper rubber edge to stop streaks.
8. Streaking is often windshield grime/grease, not blades.
9. Inside windshield oily “degassing” film explanation.
10. Recommended windshield cleaning solution (50/50 isopropyl alcohol/water) + microfiber method + shade.
11. Scratch-side identification via stroke directions.
12. Leaves/moisture in windshield base intake cause rag smell and block airflow.
13. A/C condenser cleaning with moderate-pressure hose; don’t pressure wash.
14. Headrest post removal as emergency side-window leverage (not windshield).
15. Emergency glass guidance: don’t break laminated windshield; side windows are tempered.
16. Turn signal “first resistance point” flashes 3 times and auto-cancels.
17. Steering wheel also moves closer/farther using the same lever.
18. Rearview mirror lever is night mode.
19. Blind spot mirror adjustment reduces the “disappearing gap.”
20. Recirculation use for faster cooling / prevent fogging strategically.
21. Defrost: use A/C + heat together with recirculation off.
22. Stop musty smell: last 2–3 minutes run fan only after compressor off.
23. Ignition-position dashboard lights as bulb self-test.
24. Oil pressure light = emergency: shut engine off immediately if it comes on or stays on.
25. Temperature warning: turn off A/C, run heater full blast, pull over.
26. Check engine light: check gas cap first before diagnostics.
27. Trunk spare tire pressure: check routinely; spares often deflate.
28. Tools/jack placement: learn correct jack points to avoid chassis damage.
29. Dipstick reading procedure: cold engine + clean/reinsert; don’t trust first reading.
30. Oil dipstick interpretation: color/texture (milky/gritty can indicate coolant mixing).
31. Battery terminal tightness and corrosion powder signs.
32. Hose condition check by squeezing cold-engine hoses.
33. Best non-hidden trick: 10 seconds of silence before starting; healthy idle stabilizes in 15–20 seconds.
34. “Filter” myths debunked/warned (magnet/plastic bag, neutral/downshift fuel myths, engine-braking savings myth, overinflation danger).
35. Final recap by subsystem (fuel, tires, glass, grille/A/C, mirrors, climate controls, dashboard warnings, gas cap, spare, hood checks, daily silence habit).

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Speakers / Views

• The video appears to have one primary narrator delivering the full list with authoritative claims and tour-style structure (using “we” for the walkthrough). No distinct multiple speakers are indicated beyond the narrator.