A recent wave of car burglaries raises the debate on possible hacking techniques adopted by car thieves. Signal amplification and brute-force attacks could be possible to hack into a car. Another option for car thieves is the use of SDR and RF jamming to capture the car code and reuse it later. The attack takes as little as a few minutes to run and requires off-the-shelf tools that cost more than $1,000 and may require the attacker to remain within wireless range of the car for as long as two hours.”]
Source: https://securityaffairs.co/wordpress/37980/cyber-crime/car-thieves-hacking-techniques.html