Specifications

GETTING TO KNOW YOUR POWER PACKAGE
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0020.05
Audio Warning System
Your Mercury MerCruiser power package may be equipped with an Audio Warning System.
The Audio Warning System will not protect the engine from damage. It is designed to warn
the operator that a problem has occurred.
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Oil pressure gauge Engine temperature gauge Sterndrive oil reservoir
The audio warning system will sound with a continuous horn if one of the following occurs:
• Engine oil pressure too low
• Engine temperature too hot
The audio warning system will sound with an intermittent horn if the following occurs:
• Sterndrive oil level too low
CAUTION
Operation of the engine after the audio warning system alarm has sounded could
result in damage to the power package. Do NOT operate engine once the alarm has
sounded EXCEPT TO AVOID A HAZARDOUS SITUATION.
If the alarm sounds, stop the engine immediately. Investigate cause and correct it, if
possible. If cause cannot be determined, consult your authorized Mercury MerCruiser
dealer.
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TESTING THE AUDIO WARNING SYSTEM
1. Turn the ignition switch to the ON position without cranking the engine.
2. Listen for the audio alarm. The alarm will sound if the system is functioning correctly.