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# System prepended metadata

title: Handycar API

---

# Handycar API
G1 - get 'check Engine'
G2 - get 'mileage'
G3 - get 'param'
AU - add user*
FLAG - ???
S2 - set 'mileage'

*:

| 0 | 1 | 2 | 3 | . | . | . | . | . | n | n+1 | n+2 | . | . | . | m |
| - | - | - | - | - | - | - | - | - | - | --- | --- | - | - | - | - |
| doesn't matter | 0x41 (A) | U | L | o | g | i | n | ... | 0x00 | P | a | s | s | ... | 0x00 |
