Have you ever caught a friend or relative performing a strange ritual: carefully placing a bunch of keys on the refrigerator shelf next to the milk? This unusual custom raises a lot of questions. Either this is a superstition, or a cunning life hack that you didn’t know about. In this article we will analyze all possible reasons —from technical nuances to popular beliefs—and also tell what this is fraught with for your refrigerator and the keys themselves.
Spoiler: some explanations surprise even experienced equipment repair technicians. For example, it turns out that Storing car keys in the refrigerator can block signals from car thieves with GPS tags —but only if certain conditions are met. And in some cultures, this ritual is considered a talisman against financial losses. Let's figure it out in order!
1. Protection against car theft: does the method work?
The most common version that can be found on car owner forums is the keys in the refrigerator supposedly the signal is blocked by from the key fob, preventing theft using relay attacks. In theory, the metal walls of the refrigerator create the effect Faraday cagesby shielding radio waves. But in practice, everything is more complicated:
- 🔋 For modern keys with a dynamic code (for example, Keyless Go from Mercedes or Comfort Access from BMW) the method works partially - the signal actually weakens, but does not disappear completely.
- 🚗 For old keys with a fixed one code (until 2010), the effect is minimal - hijackers can intercept the signal even through the walls of the refrigerator.
- ❄️ Freezer compartment blocks the signal better than the main compartment, but constant exposure to low temperatures spoils the plastic parts of the key fob.
Important: if you decide to use this method, put the keys in metal box inside the refrigerator - this way the shielding will be more reliable. But remember that car manufacturers (including Toyota, Volkswagen and Hyundai) officially do not recommend storing electronic keys in extreme conditions can damage the transponder.
2. Folk signs: keys in the refrigerator as a talisman
In some cultures, storing keys in the refrigerator is considered a symbol of financial well-being. For example:
- 💰 In Chinese tradition of Feng Shui metal objects (including keys) in a “cold” place attract stability and protect against unexpected expenses.
- 🍀 In Slavic beliefs the keys on the bottom shelf of the refrigerator (next to the food) symbolize the “closing” of money “holes” in the budget.
- 🕯️ In Jewish Kabbalah sometimes practice putting the keys in the refrigerator on
Rosh Hashanah(New Year) - as a sign that the “doors of luck” will be open throughout the year.
Of course, from a scientific point of view these are superstitions, but the psychological effect obvious: the ritual creates a feeling of control over finances. The main thing is not to overdo it: if the keys are in the refrigerator for years, they may oxidize or become covered with condensation.
What do psychologists say?
From a psychological point of view, such rituals reduce the level of anxiety, giving a person an illusion protection. This is called "magical thinking" - our brain looks for simple reasons for complex events (for example, car theft or financial loss).
3. Technical reasons: when the refrigerator is the best place for keys
There are situations when storing keys in the refrigerator is justified from a practical point of view:
| Situation | Why a refrigerator? | Risks |
|---|---|---|
| Keys to safe or bank safe deposit box | Protection against theft (a thief is unlikely to look for keys among products) | High risk of loss among products or freezing of the mechanism |
| Keys to garage or basement in a private home | Preventing rust in high humidity conditions (if the refrigerator is climate controlled) | Only for models with No Frost —in conventional refrigerators the humidity is higher |
| Spare keys from apartments for guests | An unusual place that is easy to explain (“take the keys from the refrigerator”) | Guests may accidentally throw away the keys along with expired products |
If you Store keys in the refrigerator for technical reasons, make sure they do not come into contact with liquids. The best option is to put them in sealed package or container. For keys with electronic chips (for example, from intercoms or hotels) this method is not suitable - low temperatures can damage the microcircuit.
4. Impact on the refrigerator: why is storing keys dangerous?
It would seem that there is something wrong with putting a bunch of keys on the shelf? In fact, it can disturb the operation of the equipment:
- 🧲 Magnetic keys (for example, some hotel rooms or fitness clubs) can magnetize the parts of the refrigerator, which leads to to malfunctions of the compressor.
- ⚡ Metal keyslying on plastic shelves can cause static electricity, which will damage electronic components (relevant for models with display or Wi-Fi).
- 💧 Condensation on the keys leads to corrosion, and rust can get on food or internal surfaces of the refrigerator.
It is especially dangerous to place keys on the back wall of the refrigerator (where the refrigerant pipes are located) - this can damage the insulation and cause a freon leak. If you notice that the refrigerator has become to make more noise or to cool unevenly, check if there are any foreign metal objects lying around. inside.
5. Alternative places to store keys: what is better than a refrigerator?
If you need to safely hide your keys, but the refrigerator seems like an inconvenient option, consider these alternatives:
- 🔌 Socket with a hiding place - special adapters, inside of which there is a compartment for keys (for example, Master Lock 5400D).
- 🪴 Pot with artificial plant - the keys are hidden in the ground (the main thing is that the pot is heavy and does not tip over).
- 📦 Book with a cut-out cavity - the classic method, but choose a book that is rarely picked up.
- 🚪 Magnetic case under by car - attached to the bottom or wheel arch (suitable for spare car keys).
If you still prefer a refrigerator, follow simple rules:
Use a sealed bag or container
Put the keys on the top shelf (there is less moisture)
Do not store the keys for longer than 1-2 weeks
Check your keys periodically for corrosion -->
6. Myths and misconceptions: what you should definitely not do
There are many myths surrounding the topic of storing keys in the refrigerator:
⚠️ Attention! Never. put the keys from gas cylinders or propane tanksin the refrigerator. A sharp temperature change can deform the metal, which will lead to gas leakage the next time you use it.
- ❌ "The refrigerator completely blocks the key signal" - this is not the case. The signal weakens, but does not disappear. For complete blocking you need Faraday cage (for example, a metal box with a tight lid).
- ❌ "Keys serve in the freezer longer" - in fact, plastic and rubber parts (for example, on key fobs Nissan Intelligent Key or Ford KeyFree) become brittle and crack.
- ❌ "This saves you from theft" - experienced thieves know about such a "secret" place and check the refrigerator first.
Another misconception is that the keys in the refrigerator "charged with energy" from the products. This is a pseudoscientific theory that has no evidence. If you need "energy protection", it is better to use proven methods, for example, crystals or aromatherapy - at least they will not harm your equipment.
7. What to do if the keys are “grown” to the refrigerator?
If the keys have been in the refrigerator for too long, they could freeze become covered corrosion. problem:
- For frozen keys:
- Do not try to tear off the keys by force - this will damage the coating of the refrigerator.
- Water the area contact warm water (not boiling water!) or use hair dryer at minimum power.
- Place under the keys
plastic spatula(for example, for ice cream) to separate them from the surface.
- Treat the keys WD-40 or snail (lubricant for locks).
- For electronic keys, use alcohol wipes —they will remove oxides without damaging the chip.
- If the key does not fit into the lock, lightly tap it
with a rubber hammerto knock off the rust.
⚠️ Attention! If after storing in the refrigerator the electronic key stops working, do not try to disassemble it yourself - contact the manufacturer's service center (for example Kia Motors or Renault). Incorrect repair can block the chip forever.
Frequently asked questions
Is it possible to store car keys in the refrigerator? alarm?
No, this is one of the worst ideas. Alarm keys (for example, StarLine or Pandora) contain sensitive sensors that fail at low temperatures. In addition, moisture can cause a short circuit in the circuit board. If you need to hide such a key, use dry place at room temperature.
Is it true that keys in the refrigerator spoil food?
Indirectly - yes. Metal can oxidize, and particles of rust or dirt from the keys fall on the food. In addition, if the keys were lying next to open foods (for example, bread or fruit), this does not work. hygiene standards. It is better to store keys in closed container on a separate shelf.
How often should you check keys stored in the refrigerator?
If you decide to store keys in the refrigerator, inspect them them once a week. Pay attention to:
- The appearance of condensation or moisture on the surface.
- Change in metal color (a sign of corrosion).
- Performance of electronic chips (for key fobs).
If you notice problems, immediately remove the keys and dry them at room temperature.
Are there refrigerators specifically designed for storing keys?
No, such models do not exist (for example, Samsung Family Hub or LG InstaView) have separate sealed compartments with adjustable humidity. You can store keys in them for a short time, but this is not recommended by manufacturers.
What happens if you put an apartment key with a magnetic magnetic field in the refrigerator tag?
Magnetic tags (for example, in keys from Digital intercoms or "Eltis") can become demagnetized at low temperatures. As a result, the key will stop opening the door. To restore its functionality, you will need to reprogramming at the service center. 500 to 1500 rubles.