| Term | Definition / Meaning / Stand for |
| MTSU |
Motorized Traction Stabilization Unit |
| MVP |
Multi-Vehicle Platform |
| MVR |
Motorized Valve Regulation |
| NA |
Naturally Aspirated (Engine) |
| NAA |
Nickel Aluminum Alloy (Car Parts) |
| NAAQS |
National Ambient Air Quality Standards |
| NAC |
Nitrogen Absorption Catalyst |
| NCS |
Noise Cancellation System |
| NFS |
Network File System |
| NIDS |
Network Intrusion Detection System |
| NLB |
Network Load Balancer |
| NLP |
Natural Language Processing |
| NMC |
Nickel Manganese Cobalt (Battery Chemistry) |
| NMT |
Non-Metallic Transmission |
| NPR |
Nitrogen Pressure Regulator |
| NPSH |
Net Positive Suction Head (Fuel System) |
| NPT |
National Pipe Thread (Fittings) |
| NVCS |
Nissan Variable Compression System |
| OACS |
Optical Adaptive Cruise System |
| OBC |
On-Board Computer |
| OBCS |
Onboard Collision Safety |
| OBLS |
Optical Brake Light Sensor |
| OCM |
Optical Control Module |
| OCP |
Overcurrent Protection |
| OEGS |
Optical Emergency Guidance System |
| OES |
Original Equipment Supplier |
| OIS |
Optical Image Stabilization |
| OMAP |
Open Multimedia Applications Platform |
| OOS |
Out of Specification |
| OPT |
Optical Position Tracking |
| OSC |
Onboard Stability Control |
| OSC |
Optical Steering Control |
| OSRVM |
Outer Side Rear View Mirror |
| OTCS |
Optical Traction Control System |
| OTD |
On-Time Delivery |
| OTR |
On The Road Price |
| PAS |
Power-Assisted Steering |
| PBE |
Predictive Brake Energy |
| PCA |
Pedestrian Collision Avoidance |
| PCB |
Printed Circuit Board |
| PCI |
Peripheral Component Interconnect |
| PDL |
Power Door Lock |
| PDM |
Product Data Management |
| PEM |
Privacy-Enhanced Mail |
| PFI |
Port Fuel Injection |
| PGP |
Pretty Good Privacy (Encryption) |
| PIM |
Personal Information Manager |
| PIS |
Pedestrian Impact Sensor |
| PKI |
Public Key Infrastructure |
| PLT |
Parallel Line Transmission |
| PM |
Particulate Matter (Emissions) |
| PMS |
Pressure Monitoring System |
| POTS |
Plain Old Telephone Service |
| PRNDL |
Park, Reverse, Neutral, Drive, Low (Gear Shift Indicator) |
| PSS |
Power Steering Sensor |
| PST |
Priority Scheduling Technique |
| PV |
Photovoltaic (Solar Technology) |
| PVE |
Positive Ventilation Exhaust |
| QBD |
Quality By Design |
| QCD |
Quality Control Division |
| QCS |
Quality Control System |
| QCT |
Quality Conformance Testing |
| QDR |
Quick Data Retrieval |
| QERM |
Quick Emission Reduction Mechanism |
| QFP |
Quad Flat Package |
| QFT |
Quick Fuel Transfer |
| QITM |
Quick Infotainment Technology Management |
| QMD |
Quick Mechanical Diagnostics |
| QPPM |
Quality Product Performance Management |
| QRL |
Quick Release Lever |