Cars with keyless authorization systems caused the deaths of at least 28 people in the United States, and at least 45 people suffered brain injuries.

Keyless cars can be hazardous  

These systems allow users to enter the vehicle and start the engine without removing the key from the pocket. For the same reason, individuals often forget to shut down the car after they park in their garage.

Since that the most United States homes have a garage inside the house, these situations can lead to poisoning with CO2.

Almost half of the new vehicles sold in the United States have systems for car use without a key, and the National Highway Traffic Safety Administration (NHTSA) proposes that a process is introduced to warn the driver to turn off the engine while leaving the vehicle. Keyless cars in the automotive field can be hazardous.

Some manufacturers are already implementing systems that automatically shut down the engine if it works idle for more than 30 minutes.

Published by Kate Westall