# What is Tier-1 Supplier?

A direct supplier to the OEM. They deliver batteries, ADAS modules, interiors, and other integrated subsystems for the vehicle program.

## In real work

Tier-1 supplier integration call: ZF needs our CAN signal list frozen by Friday for their domain controller bring-up.

## Related terms

- [ADAS](https://prompthausapp.com/learn/adas.md)
- [Sensor Fusion](https://prompthausapp.com/learn/sensor-fusion.md)
- [Perception Stack](https://prompthausapp.com/learn/perception-stack.md)
- [Domain Controller](https://prompthausapp.com/learn/domain-controller.md)
- [Driving Automation Level](https://prompthausapp.com/learn/driving-automation-level.md)

## How is this different from Googling it?

Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews—then quizzes you until the word sticks. One term a day on iPhone.

- Category: Automotive
- HTML: https://prompthausapp.com/learn/tier-1-supplier
- App Store: https://apps.apple.com/us/app/prompthaus-ai-vocabulary/id6776314407