Subaru Impreza Manuals 2018 Impreza Owner's Manual | Page 160

Instruments and controls/Warning and indicator several driving trips. You should have your vehicle checked by an authorized SUBARU dealer immediately. & Coolant temperature low indicator light/Cool- ant temperature high warning light S03AE48 CAUTION . After turning the ignition switch to the “ON” position, if this indicator light/warning light be- haves in any of the following ways, the electrical system may be malfunctioning. Contact your SUBARU dealer immediately for an inspection. – It remains blinking in RED. – It remains illuminated in RED for more than 2 seconds. – It remains blinking in RED and BLUE alternately. . While driving, if this indicator light/warning light behaves in any of the following ways, take the specified appropriate mea- sure listed below. – Blinking or illuminated in RED: Safely stop the vehicle as soon as possible, and refer to the emergency steps to take in the case of engine overheat- ing. After that, have the sys- tem checked by your nearest SUBARU dealer. Refer to “En- gine overheating” F9-13. – Blinking in RED and BLUE alternately: The electrical system may be malfunctioning. Contact your SUBARU dealer for an inspec- tion. This coolant temperature low indicator light/coolant temperature high warning light has the following three functions. . Illumination in BLUE indicates insuffi- cient warming up of the engine . Blinking in RED indicates that the engine is close to overheating . Illumination in RED indicates overheat- ing condition of the engine 3-17 changes to BLUE and maintains illumina- tion in BLUE. This BLUE illuminated light turns off when the engine is warmed up sufficiently. If the engine coolant temperature in- creases over the specified range, the indicator light/warning light blinks in RED. At this time, the engine is close to over- heating. If the engine coolant temperature in- creases further, the indicator light/warning light illuminates in RED continuously. At this time, the engine may be overheating. When the indicator light/warning light blinks in RED or illuminates in RED, safely stop the vehicle as soon as possible, and refer to the emergency steps to take in the case of engine overheating. Refer to “Engine overheating” F9-13. After that, have the system checked by your nearest SUBARU dealer. Also, if the indicator light/warning light often blinks in RED, the electrical system may be malfunctioning. Contact your SUBARU dealer for an inspection. For a system check, this indicator light/ warning light illuminates in RED for ap- proximately 2 seconds when the ignition switch is turned to the “ON” position. After that, this indicator light/warning light – CONTINUED –