See also:

Use of Additives
With the exception of gas line antifreeze during winter months, do not add solvents, thickeners, or other store-bought additives to your vehicle's fuel, cooling, or lubricating systems. Overus ...

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When does BLIS function
The system functions when your vehicle is moving at speeds above 6 mph (10 km/h). When you pass another vehicle: The system reacts when you pass another vehicle at a speed of up to 6 mph (10 km/ ...