How often should you change your car battery and does changing car battery depend on CCA?

CCA's are cold cranking amps. Each battery is assigned a certain spec. I am sure with yours at 303, it's getting to the point of where it will most likely need replacement in less than 6 months. When you get a new battery make sure you get the same rating battery if the car is stock. As far as your oil, turn the car off and check the stick for proper level. ... more