| Term | Definition / Meaning / Stand for |
| ABF |
Active Brake Force |
| ACTS |
Active Chassis Technology System |
| ACD |
Active Cornering Differential |
| ACTM |
Active Cruise Traffic Management |
| ACT |
Active Cylinder Technology |
| AFM |
Active Fuel Management |
| AHA |
Active Headrest Adjustment |
| ASM |
Active Shift Management |
| ASD |
Active Sound Design |
| ASC |
Active Stability Control |
| ASP |
Active Suspension |
| ACC |
Adaptive Cruise Control |
| ACR |
Adaptive Cruise Radar |
| ADP |
Adaptive Driving Performance |
| AFS |
Adaptive Front-lighting System |
| AHB |
Adaptive High Beam |
| ARM |
Adaptive Ride Management |
| ATP |
Adaptive Transmission Programming |
| ATS |
Adaptive Transmission System |
| AWB |
Adaptive Wheel Braking |
| ACC |
Advanced Car Control |
| APT |
Advanced Persistent Threat |
| ATT |
Advanced Traction Technology |
| ATS |
Advanced Transmission System |
| AEM |
Aftermarket Engine Management |
| A/F |
Air/Fuel Ratio |
| ACM |
Airbag Control Module |
| ACU |
Airbag Control Unit |
| AWB |
All-Wheel Braking |
| AC |
Alternating Current |
| AMP |
Amplifier |
| ACEA |
Association des Constructeurs Europeens d'Automobiles |
| AR |
Augmented Reality |
| AEG |
Auto Emergency Generator |
| ASG |
Auto Start-Stop Generator |
| AER |
Automated Engine Restart |
| AFO |
Automated Fuel Optimization |
| AHS |
Automated Highway System |
| AMT |
Automated Manual Transmission |
| ASG |
Automated Speed Governor |
| AUSC |
Automated Urban Signal Control |
| AWIS |
Automated Warning and Information System |
| ACR |
Automatic Crash Response |
| AEB |
Automatic Electronic Braking |
| ASM |
Automatic Speed Management |
| ATC |
Automatic Temperature Control |
| AT |
Automatic Transmission |
| AVU |
Automatic Voltage Unit |
| A |
Automotive & Technology Abbreviations |
| AIB |
Automotive Industry Blockchain |
| AID |
Automotive Intelligent Diagnostics |
| AMM |
Automotive Motion Management |
| AOS |
Automotive Operating System |
| ATN |
Automotive Telematics Network |
| ACB |
Autonomous Cruise Braking |
| AV |
Autonomous Vehicle |
| AUX |
Auxiliary Input |
| ASR |
Acceleration Slip Regulation |
| ACIS |
Acoustic Control Induction System |
| AVAS |
Acoustic Vehicle Alerting System |
| ACT |
Active Control Technology |
| AVCS |
Active Valve Control System |
| AVC |
Active Vehicle Control |
| AFL |
Adaptive Forward Lighting |
| ADAS |
Advanced Driver Assistance System |
| ADAS |
Advanced Driver Assistance Systems |
| AHSS |
Advanced High Strength Steel |
| AMPS |
Advanced Mobile Phone System |
| ATIS |
Advanced Traveler Information Systems |
| AVT |
Advanced Vehicle Technology |