| Term | Definition / Meaning / Stand for |
| APP |
Accelerator Pedal Position Sensor |
| ACT |
Active Cylinder Technology |
| AIM |
Active Idle Management |
| AIM |
Active Intake Manifold |
| ALT |
Active Load Transfer |
| AM |
Active Monitoring |
| ARS |
Active Rear Steering |
| ASC |
Active Steering Control |
| ASM |
Active Suspension Management |
| AST |
Active Suspension Technology |
| ATW |
Active Thermal Window |
| AUS |
Active Understeer System |
| AAS |
Adaptive Air Suspension |
| AFS |
Adaptive Front-Lighting System |
| AHC |
Adaptive Headlamp Control |
| AHLS |
Adaptive Headlight System |
| AHB |
Adaptive High Beam |
| AIRMATIC |
Adaptive Intelligent Ride Control System |
| AOR |
Adaptive Off-Road System |
| AOB |
Adaptive Overboost |
| ARC |
Adaptive Ride Control |
| ATCC |
Adaptive Torque Control Clutch |
| AVS |
Adaptive Variable Suspension |
| AVM |
Adaptive Vehicle Management |
| AWS |
Adaptive Windshield System |
| ARH |
Adjustable Ride Height |
| AAS |
Advanced Airbag System |
| ACIS |
Advanced Combustion Ignition System |
| AEM |
Advanced Emission Management |
| AET |
Advanced Engine Technology |
| APDS |
Advanced Passenger Detection System |
| APT |
Advanced Powertrain |
| APT |
Advanced Propulsion Technology |
| ARAS |
Advanced Roadside Assistance System |
| ASM |
Advanced Safety Mechanism |
| ATS |
Advanced Traction System |
| A/C |
Air Conditioner |
| AC |
Air Conditioning |
| APS |
Air Pressure Sensor |
| ASU |
Air Suspension Unit |
| ATW |
All-Terrain Wheel |
| ASR |
Anti-Slip Regulation |
| ABS-EBD |
Anti-lock Braking System with Electronic Brakeforce Distribution |
| ALB |
Auto Load Balancing |
| APC |
Auto Pilot Control |
| ASG |
Auto Start-Stop Generator |
| AAS |
Automated Assistance System |
| AMT |
Automated Manual Transmission |
| ARU |
Automated Rail Unit |
| ATPS |
Automated Tire Pressure System |
| AVT |
Automated Vehicle Technology |
| AIS |
Automatic Identification System |
| AIRM |
Automatic Idle Reduction Mechanism |
| ALF |
Automatic Load Forecast |
| APS |
Automatic Parking System |
| ARS |
Automatic Ride Stabilization |
| ASD |
Automatic Slip Differential |
| ASP |
Automatic Speed Protection |
| ATC |
Automatic Traction Control |
| ATC |
Automatic Transmission Control |
| ATU |
Automatic Transmission Unit |
| AT |
Automatic Transmission |
| AWG |
Automatic Weight Gauge |
| AWT |
Automatic Wheel Torque |
| A |
Automotive & Transportation Abbreviations |
| AIX |
Automotive Information Exchange |
| AIS |
Automotive Information System |
| AMR |
Automotive Maintenance Report |
| AVO |
Autonomous Vehicle Operation |
| AVP |
Autonomous Vehicle Platform |