Is leaving your phone in your car safe?
Is leaving your phone in your car safe?

Your phone in a hot car is like an ice cube in the sun – it doesn’t bode well. Let’s look into the effects of excessive heat on your smartphone!


Understanding the Risk

Leaving your phone in a hot car is similar to leaving a chocolate bar in the sun – it’s not going to end well. Extreme heat can harm your phone’s internal components, resulting in malfunction or even irreversible damage.

Effect of Heat on Phone Components


The phone battery is much like the heart of your phone. Heat exposure can cause your battery to degrade faster, reducing its lifespan. It’s like running a marathon in scorching heat; you’d exhaust much faster, wouldn’t you?


Extreme heat can also impact your phone’s screen, possibly leading to discoloration. It’s akin to leaving a painting out in the sun – the colors might fade.

Internal Components

The internal components of your phone are sensitive to heat. Extended exposure can warp, melt, or otherwise damage these crucial parts, somewhat like leaving plastic toys out in the sun.

Heat Related Damage Symptoms

Overheating Warning

If your phone is too hot, it may display a temperature warning. It’s similar to your body’s way of telling you when it’s overheating – you start to sweat.

Screen Discoloration

If your screen starts displaying odd colors or black spots, it might be heat damage. It’s like getting sunburnt – your skin changes color due to the heat.

Unexpected Shutdown

Your phone may shut down if it gets too hot to prevent further damage, like your body fainting due to heatstroke to protect itself.

Preventing Heat Damage

Best Practices

Avoid leaving your phone in hot environments, use it sparingly in high temperatures, and don’t cover it while it’s charging. It’s like staying hydrated and taking breaks in the shade on a hot day – you’re helping prevent overheating.


In conclusion, leaving your phone in a hot car can indeed damage it. But, by following best practices, you can protect your phone – just as you’d wear a hat and sunscreen to protect yourself from the sun!


  1. Can heat ruin my phone? Yes, exposure to high temperatures can harm your phone’s battery, screen, and internal components.
  2. What happens if my phone gets too hot? Your phone may display a temperature warning, show screen discoloration, or even shut down to protect itself.
  3. How can I cool down my phone? Turn it off, remove it from the heat source, and avoid charging it until it cools down.
  4. Can I use my phone while it’s overheating? It’s not recommended. Using an overheated phone can exacerbate the heat damage.
  5. What should I do if my phone has been left in a hot car? Turn it off and let it cool down before using it. If it shows signs of damage, take it to a professional.
Eric Chan

Hi! I’m Eric and I work on the knowledge base at  You can see some of my writings about technology, cellphone repair, and computer repair here.

When I’m not writing about tech I’m playing with my dog or hanging out with my girlfriend.

Shoot me a message at if you want to see a topic discussed or have a correction on something I’ve written.

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