<P> A smart key is an electronic access and authorization system that is available either as standard equipment or as an option in several car models . It was first developed by Siemens in 1995 and introduced by Mercedes - Benz under the name `` Key-less Go '' in 1998 on the W220 S - Class , after the design patent was filed by Daimler - Benz on May 17 , 1997 . </P>
<P> A smart key is an electronic access and authorization system that is available either as standard equipment or as an option in several car models . It was first developed by Siemens in 1995 and introduced by Mercedes - Benz under the name `` Key-less Go '' in 1998 on the W220 S - Class , after the design patent was filed by Daimler - Benz on May 17 , 1997 . </P>
when did the first push to start car come out
when did the first push to start car come out
1998
1998