Continental's smart device based access and start solution.

CoSmA allows the driver to access and start the vehicle by using a digital key on a smart device. Offering a completely new user experience, this system meets the demands of the mobile society with a new level of comfort, security and new mobility functionalities.

CoSmA - secure and convenient.

Ultra-wideband technology for keyless vehicle access

Continental is a pioneer of the car access system integration: We digitalize the access experience for a maximum driver convenience. With our new access systems based on Ultra-Wideband, we enable a handsfree smartphone access with the same level of convenience as with state-of-the-art keys.



The New Key Generation

  • Hands-free access and start
  • High performance relay attack defense
  • Enhanced smart device localization via UWB
  • Precise proximity determination to support secure access and start authentication
  • Enabler for new user centric functions e.g. remote parking
  • Complete UWB eco-system

Technical Solution

Precise localization is key

  • Short-range, high-bandwidth communication based on Ultra-Wideband technology
  • Centimeter-precise location (ToF/ Time-Of-Flight) and secure distance measurement

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Child Presence Detection using Ultra-Wideband

Expanding Digital Access Technology by live-saving feature

Child-Presence-Detection function identifies children left-behind inside the vehicle and triggers warning

  • System based on innovative ultra-wideband technology with sensing features 
  • Interoperability of Continental’s Digital Access Technology (CoSmA) and integrated Child-Presence-Detection
  • Child-Presence-Detection enables vehicle manufacturers to meet future safety targets


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Our References

Continental technology in the BMW iX creates innovative user experience

Continental’s Transceivers with ultra-wideband radio technology provide an essential building block for keyless access to the vehicle via smartphone. In the iX, BMW and Continental bring the standard for hands-free vehicle access developed in the cross-industry Car Connectivity Consortium to the road for the first time.

    Picture Copyright: BMW

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BMW Group Supplier Innovation Award 2022

Winner in category digitalization

Continental’s Digital Access Solution CoSmA UWB is the first system to use ultra-wideband radio to offer drivers completely new functions related to vehicle access via smartphone. Continental's CoSmA transceiver is already in use in the BMW iX and provides drivers with a digital user experience even before they get into the vehicle.

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PACE Innovation Partnership Award 2022

Collaboration on the digital access solution technology CoSmA

CoSmA smart device-based access allows drivers to access and start their vehicle by using digital key on their smartphone. The hands-free access is the first available ultra-wideband based solution on the market today, setting the standard for vehicle access technology.

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German Innovation Award 2021

Maximum access convenience and improved theft protection

CoSmA is awarded as 'Gold' winner for the German Innovation Award 2021. The annual prize honors product innovations that are forward-looking and characterized by user-centered development that makes daily life more convenient. CoSmA is a pioneering digital access solution that continues to enhance and innovate the user experience in vehicles of the digital age.


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