Maintenance / 2021 Civic 4Dr · Automatic (variable gear ratios) · 4 cyl · 2.0 L

12-volt battery

Inspect the case, hold-down and terminals. Confirm dimensions, polarity and venting before selecting a replacement battery.

IntervalCheck battery terminals for corrosion monthly. Replace only with the same specifications; the manual does not establish a generic replacement age or an exact retail battery application.Verified

01 / Requirements

Battery safety
Keep flames and sparks away and protect eyes and skin. On hybrids this page concerns only the 12-volt battery, not the high-voltage traction battery.