2009 Toyota Matrix Owners Manual - Page 267

4-3. Do-it-yourself maintenance NOTICE n If the fluid level is low or high It is normal for the brake fluid level to go down slightly as the brake pads wear or when the fluid level in the accumulator is high. If the reservoir needs frequent refilling, it may indicate a serious problem. Battery Check the battery as follows. n Battery exterior Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps. Terminals Hold-down clamp Ground cable n Checking battery fluid Check the battery condition using the indicator color. Green: Good condition Dark: Charging is necessary. Have the vehicle inspected by your Toyota dealer. Clear or light yellow: Not working properly. Have the battery checked by your Toyota dealer. 298