Procedure
Respond to critical warning horn (continuous six-second beep)
1. Recognize continuous six-second beep as a critical engine condition. WARNING: Engine Guardian system may have engaged to limit power. Return to port immediately. 2. Return to port immediately and contact your servicing dealer. 3. Note: Horn sounds only once per key cycle. If engine is keyed off and restarted, horn will sound again if fault is still present.