Keyless cars—also known as push-button start vehicles—have become incredibly popular. With just a key fob in your pocket and a simple press of a button, your car comes to life. Convenient? Absolutely. But behind that sleek START/STOP button shown in the image lies a lot that most drivers don’t fully understand.
Here are 10 vital things you should know about keyless cars—some could save you money, others could save your car, and a few could even save your life.
1. Your Car Can Be Left Running Without You Knowing It
One of the biggest dangers of keyless cars is accidentally leaving the engine running. Since there’s no traditional key to turn, many drivers walk away thinking the car is off.
🚨 Why it matters:
- The car can run for hours in a garage
- This increases the risk of carbon monoxide poisoning
- It wastes fuel and can damage the engine
Tip: Always look for dashboard indicators or listen for the engine before walking away.
2. Dead Key Fob Battery Doesn’t Mean You’re Stuck
Many drivers panic when the key fob battery dies—but most keyless cars still have a backup system.
🔑 What to know:
- Your key fob usually contains a hidden physical key
- Many cars can start if you hold the fob directly against the start button
Check your owner’s manual—this trick is lifesaving in emergencies.
3. Keyless Cars Are More Vulnerable to Theft
Keyless entry systems can be targeted by relay attacks, where thieves amplify the signal from your key fob—even if it’s inside your house.
🛑 How to protect yourself:
- Store your key fob in a signal-blocking pouch
- Avoid leaving it near doors or windows
- Disable keyless entry if your car allows it
4. You Can Lock Your Key Fob Inside the Car
It sounds impossible—but it happens.
🚗 Some scenarios:
- A second key fob is nearby
- The system malfunctions
- The battery is weak
Never assume the car will always protect you from locking yourself out.
5. Start/Stop Buttons Still Need Proper Use
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