ESC OFF state
This car has 2 kinds of ESC off states.
If the engine stops when ESC is off, ESC remains off. Upon restarting the engine, the ESC will automatically turn on again.
“Traction Control disabled”
• ESC off state 1
To cancel ESC operation, press the ESC OFF button (ESC OFF ) shortly (ESC OFF indicator light (ESC OFF ) illuminates) and an above LCD message will come up. At this state, the engine control function does not operate. It means the traction control function does not operate. Brake control function only operates.
“Traction & Stability Control disabled”
• ESC off state 2
To cancel ESC operation, press the ESC OFF button (ESC OFF ) for more than 3 seconds. ESC OFF indicator light (ESC OFF ) illuminates and an above LCD message will come up and ESC OFF warning chime will sound. At this state, the engine control function and brake control function do not operate. It means the car stability control function does not operate any more.
Kia Niro 2017 (DE HEV) Service Manual: Pressure Source Unit Components and components location
Components
1. Pressure Source Unit (PSU)
2. Motor
3. Filler adapter
4. Accumulator
5. Bracket
...
Kia Niro (DE HEV) Owners Manual: Technical Data (18 inch tire)
System voltage: DC 12 V
Working voltage: DC 10 - 15 V
Amperage rating: MAX. 15A ± 1A (at DC 12V operation)
Suitable for use at temperatures: -30 ~ +70°C (-22 ~ +158°F)
Max. working pressure: 6 bar (87 psi)
Size
Compressor: 168 x 150 x 68 mm (6.6 x 5.9 x 2.7 in.)
Sealant bottle: 104 x 85 ø ...