Coolant temperature low indicator light (nonturbo models)/Coolant temperature high warning light (non-turbo models)

Subaru Impreza / Subaru Impreza Owners Manual / Instruments and controls / Warning and indicator lights / Coolant temperature low indicator light (nonturbo models)/Coolant temperature high warning light (non-turbo models)

• After turning the ignition switch to the “ON” position, if this indicator light/warning light behaves in any of the following ways, the electrical system may be malfunctioning. Contact your SUBARU dealer immediately for an inspection.

• After turning the ignition switch to the “ON” position, if this indicator light/warning light behaves 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 measure 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 overheating. After that, have the system checked by your nearest SUBARU dealer. Refer to “Engine overheating”.

– Blinking in RED and BLUE alternately:
The electrical system may be malfunctioning. Contact your SUBARU dealer for an inspection.

This coolant temperature low indicator light/coolant temperature high warning light has the following three functions.

• Illumination in BLUE indicates insufficient warming up of the engine
• Blinking in RED indicates that the engine is close to overheating
• Illumination in RED indicates overheating condition of the engine

For a system check, this indicator light/ warning light illuminates in RED for approximately 2 seconds when the ignition switch is turned to the “ON” position.

After that, this indicator light/warning light changes to BLUE and maintains illumination in BLUE. This BLUE illuminated light turns off when the engine is warmed up sufficiently.

If the engine coolant temperature increases over the specified range, the indicator light/warning light blinks in RED. At this time, the engine is close to overheating.

If the engine coolant temperature increases 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”. 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.

NOTE
If the engine is restarted after a certain driving condition, this indicator light/ warning light may illuminate in RED.

However, this is not a malfunction if the indicator light/warning light turns off after a short time.

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