Beretta L4-138 23L DOHC QUAD 4 (1991) - Coolant Level Indicator Lamp - Location - Page 1816
Coolant Level Indicator Lamp: Service and Repair
This lamp will be illuminated when engine coolant level in the radiator drops below a pre-determined level. To turn lamp "OFF," check cooling system,
then add coolant to bring system to proper level.
