61 20 900 Disconnecting and connecting battery negative lead
WARNING:
Observe Safety Instructions
for handling vehicle battery.
Follow Instructions for disconnecting and connecting battery
IMPORTANT:
Do not under any circumstances use force to pull/lever off Intelligent Battery Sensor (IBS).
Necessary preliminary tasks:
Loosen nut (1).
For tightening torque refer to 61 21 1AZ in 61 21 BATTERY WITH TERMINAL .
Disconnect battery negative lead (3) and secure at side.