Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: How to add coolant to your car.
Only when car is cool, if coolant is low, remove coolant reservoir cap and using a funnel add coolant (a 50/50 mix) to the reservoir until near the fill line.
<Open the coolant reservoir and add the appropriate amount of coolant according to the owner's manual.>