2003 Subaru Impreza Owner's Manual - Page 384
2003 Subaru Impreza Manual
Page 384 highlights
Maintenance and service battery terminal and anything connected to it WHILE you are at the same time in contact with any other metallic portion of the vehicle because a short circuit will result. D Keep everyone including children away from the battery. D Charge the battery in a well-ventilated area. D Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling. 1) Cap 2) Upper level 3) Lower level It is unnecessary to periodically check the battery fluid level or periodically refill with distilled water. However, if the battery fluid level is below the lower level, remove the cap. Fill to the upper level with distilled water. CAUTION Never use more than 10 amperes when charging the battery because it will shorten battery life. - CONTINUED - 11-55