Check the battery voltage and status using the battery tester.
Move back and forth to check that the battery terminals (A) are loose or corroded.
If the terminals are corroded, clean them.
If battery positive connection is loose, disconnect ground(GND) cable first before attempting to remove or tighten plus connection, to prevent personal injury.
If the battery clamp on battery positive (+) terminal is not seated securely:
Turn ignition switch OFF and disconnect the battery negative (-) terminal.
Tighten battery clamp (A) on battery positive (+) terminal
Battery positive (+) terminal:
7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)
If the battery clamp on battery negative (-) terminal is not seated securely:
Tighten battery clamp (A) on battery negative (-) terminal.
Battery negative (-) terminal:
4.0 ~ 6.0 N.m (0.4 ~ 0.6 kgf.m, 3.0 ~ 4.4 lb-ft)
Check the battery for damage or deformation. If severe damage, deformation or leakage is found, replace the battery.