Refill inverter coolant

This message is displayed when the inverter coolant is nearly empty.
You should refill the inverter coolant.
Stop vehicle and check brakes/ Stop vehicle and check regen. brakes

Either message is displayed when a failure occurs in the brake system.
In this case, park the vehicle in a safe location and tow your vehicle to the nearest authorized HYUNDAI dealer and have the vehicle inspected.
Stop vehicle to charge battery/ Park with engine On to charge battery Either message is displayed when the hybrid battery power (SOC) level is low. In this case, park the vehicle in a safe location and wait until the hybrid battery is charged.
Check brakes/Check regenerative brakes Either message is displayed when the brake performance is low or the regenerative brake does not work properly due to a failure in the brake system.
Description The photo sensor is located at the center of the defrost nozzles.The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to the automatic temperature control
Inspection1.Turn the ignition switch ON.2.Connect the GDS.3.Emit intensive light toward the photo sensor using a lamp, and check the output voltage change.4.The voltage will rise with higher intensive light and reduce with lower intensive light.1. Auto light signal2.