Tips for Keeping Your Car Battery Charged. 1  DO drive your car. This may seem obvious but itâs actually really important. 2  DO keep your battery clean so that damaging corrosion never gets the chance to build. If you donât feel confident cleaning it yourself, no worries! 3  DO invest in a car battery self jumper.
Best Answer: O positive ok for transfusing to all positive types. O negative is a unversal to all types. So you cannot donate blood for an O negative if you are O positive. If you just want to donate plasma then you can donate, just not whole blood.
Type O negative blood is considered the universal blood type. People with type O negative blood are called universal donors because type O negative blood is compatible to any blood recipientâs type. Ideally the donorâs blood types should always be an exact match to the recipientâs blood type. Universal donors should only be used in the case of medical emergency where there is an unavailability or shortage of the patientâs blood type or when a blood transfusion needs to be performed immediately, not allowing the time to cross type the blood compatibility.