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Common EMF Sources in Vehicles

 

Common Sources of EMFs in Cars & Other Forms of Transit

14 Common EMF Sources Found
in Cars & Other Vehicles

This section covers common EMF sources found in cars, vehicles and other popular modes of transportation.

Some of these sources are easily mitigated, while others are not. Regardless, it’s good to be aware of the sources and especially so if you happen to be sensitive to one or more of the types of EMFs.

As with all our sections, we’ve included a recommended solution for most of the listed sources. Some of these outbound links may be affiliate links to help our mission of EMF education.

01

Cell Phones

Cell phones in cars or other vehicles can produce even more elevated levels of RF due to the waves bouncing off the metal enclosures. 

If you’re going to be in the car for awhile and the GPS mapping app on your phone isn’t needed, try to put your phone into airplane mode.

A Low EMF Solution

If you type PHONE MODEL + AIRPLANE MODE into a search engine, you should find the relevant information.

02

Tablets

If tablets are in use, make sure they’re in airplane mode with wi-fi and bluetooth off.

A Low EMF Solution

It’s possible to have the tablet in airplane mode, but with wi-fi and bluetooth still on. Double check that everything is off.

03

Wi-fi in Vehicles

Some car and truck models now offer this option. To accomplish this the car effectively has both a cell phone and a wi-fi router.

So, driver and passengers could be traveling for hours with both vehicle chips broadcasting RF radiation.

Our recommendation would be to forgo this technology in the cars that you drive or to make sure that you can put your car into “airplane mode.”

A Low EMF Solution

Go without the technology and briefly use your cell phone to access the internet if you need to.

04

Car Keys

Wireless key fobs communicate with radio frequency fields and may check in regularly with the vehicles base unit. This isn’t something that you can totally shield against.

A knowledgeable mechanic may be able to make alterations to the starter and entry systems, but it will likely come at some cost.

There are RF-blocking faraday bags that you can put your key fob into. These will minimize your RF exposure from the fobs when you’re not in the vehicle.

A Low EMF Solution

Using an RF-blocking faraday bag for your key fob will minimize your exposure from these when the vehicle isn’t in use.

05

Bluetooth Stereo

Stereo systems with bluetooth are an RF field emitter. If the car manufacturer doesn’t allow you to disable this functionality, a knowledgeable mechanic or car audio expert may be able to accomplish it.

It’s a source to be aware of if you’re sensitive to RF fields

A Low EMF Solution

If you can locate the source of the bluetooth transmitter, you may be able to block it with some success. A car audio expert may be able to help with this.

06

Tire Pressure Monitoring Systems (TPMS)

Tire Pressure Monitoring Systems (TPMS) help drivers ascertain if any of the tires are low on air. The car’s computer system frequently does this via bluetooth.

If you’re sensitive to these RF fields, you may be able to shield these with RF shielding fabrics.

A knowledgeable mechanic may be able to assist you with the removal of these systems, though state and federal law may make them unable to help.

Make sure and check with local and state laws regarding TPMS systems.

A Low EMF Solution

RF shielding fabrics may be able to help shield the interior car areas adjacent to the wheel wells. You’ll need an RF meter to ascertain the effectiveness.

07

Electric Vehicles

Electric vehicles may have elevated electric fields due the batteries and cabling. Some people are sensitive enough that they cannot ride in these types of cars.

Before purchasing one of these, it’s wise to check the vehicle with an electric field meter to ascertain the levels during all driving situations.

A Low EMF Solution

Use an electric field meter during your test drive.

Other Forms of Travel

Here are some other popular modes of travel.

08

Electric Train and Subways

These may have elevated electric and magnetic field levels. If it’s a train that you’ll be taking frequently and for long periods of time or if you’re sensitive, it would be worth taking surveying with a gaussmeter and electric field meter.

These may have wi-fi, as well.

09

Electric Bus

Possible elevated electric and magnetic fields are the concern here, too. Test with the appropriate meters if used frequently.

10

Air Travel

In our modern era, most of the larger planes will have onboard wi-fi. It may be worth asking the airline where the wi-fi router and any wi-fi boosters are located before purchasing a specific seat.

It’s possible that there could be some elevated magnetic field levels from the engines or props, as well.

11

Standard Automobile, Buses and Trains

There can be a lot of variables with EMFs in these environments, so it’s worth purchasing a multi-use EMF meter to determine if there are elevated AC magnetic, AC electric or radio frequency fields where you’re sitting. The Trifield TF2 is a good entry-level meter for this.

A Low EMF Solution

Read our review of the Trifield TF2.

Other Random Sources of EMFs in Your Car

Here are some car add-ons that may be present in your vehicle or may be something that you’re considering purchasing.

12

Wi-Fi and Bluetooth Backup Cameras & Dashboard Cameras

These cameras utilize RF waves to deliver the video. These can be hardwired for less RF exposure.

13

GPS Trackers

Some of these will have wi-fi and bluetooth functionality. If you can’t find a model where you can turn these chips off, look to purchase an older model without these bells and whistles.

14

Bluetooth FM Transmitter

These are plugged into the stereo system in a variety of ways. We recommend you choose to plug your phone or mp3 player directly into the system with a cord.

A Low EMF Solution

Limit the RF fields that can careen around your vehicle, if possible.

more information about the beginner's guide to emfs

Beginner's Guide to EMFs

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