The above situations are normal conditions when the active eco system is activated to improve fuel efficiency.
Active ECO operation
Limitation of Active ECO operationKia Cee'd JD Owners Manual: Electric chromic mirror (ECM)
The electric rearview mirror automatically
controls the glare from the headlights
of the car behind you in nighttime or low
light driving conditions. The sensor
mounted in the mirror senses the light
level around the vehicle, and automatically
controls the headlight glare from
vehicles ...
Kia Cee'd JD Service Manual: Brake Booster Components and components location
Components [LHD]
1. Brake booster
2. Master cylinder assembly
3. O-ring
Components [RHD]
1. Brake booster
2. Master cylinder assembly
3. O-ring
...