This study presents a systematic review of empirical research on the acceptance of advanced driver assistance systems (ADAS). The review focusses on the varying attitudes of user groups, the theoretical models underpinning acceptance, and the key sociocognitive factors involved. Using the PRISMA methodology, 35 relevant studies were identified. The analysis revealed several critical acceptance factors, including trust, technological awareness, perceived usefulness, and the importance of education. Most of the reviewed studies applied the TPB, TAM, or UTAUT models. The investigations concentrated on five major user groups: (1) general drivers, (2) professional drivers, (3) older adults, (4) young technology-orientated users, and (5) non-driving transport users such as pedestrians and cyclists. The findings indicate that acceptance is not a homogeneous process. It is shaped by the characteristics of each group of users, previous knowledge of the system, the degree of trust, and the specific context of system use. A considerable proportion of users do not receive sufficient training or information regarding ADAS features. This lack of knowledge limits both proper usage and the safety benefits of the technology. The study provides targeted recommendations for expanding user education, enhancing regulatory frameworks, and applying communication strategies tailored to specific user groups. The interdisciplinary approach contributes to a more comprehensive understanding of public acceptance of automated vehicle technologies. It also supports the broader adoption of equitable and sustainable mobility solutions through trust-building and educational interventions.