The dealer told me my coolant has become diluted this test now confuses me.

Coolant Drain Plug: a cautionary tale - Unofficial Honda FIT Forums

If your engine is hot due to low coolant, would the temperature gauge still read correctly, or would you possibly burn the engine up from being unaware? - Quora

Dealership insists on no leaks or issues. Am I overthinking? : r/AskMechanics

2015+ 5.0 Coolant flush - Ford F150 Forum - Community of Ford Truck Fans

Coolant System Bubble/High Pressure - Fifth Generation Legacy (2010 - 2014 )

Dealership insists on no leaks or issues. Am I overthinking? : r/AskMechanics

Roush HE coolant tank does not fit our V.

Ouch, saw this today Subaru Outback Forums

Engine Coolant Level - Page 3 - Team-BHP

Types of Coolants and debunking myths associated with grades & colours - Team-BHP

Coolant Message SwedeSpeed - Volvo Performance Forum

Dealership insists on no leaks or issues. Am I overthinking? : r/AskMechanics

Remember That Jeep Cherokee That Blew Up After I Sold It To A Nice Lady? I Sent Its Oil To A Lab For Testing And Now I'm Confused - The Autopian

Is This HOAT or OAT?

What coolant to use Jeep Garage - Jeep Forum