61 20 900 Disconnecting and connecting battery negative lead
WARNING:
Observe safety instructions
for handling vehicle battery.
IMPORTANT:
Do not under any circumstances use force to pull/lever off Intelligent Battery Sensor (IBS) .
Necessary preliminary tasks:
- Remove battery cover or open right luggage compartment trim panel . See 51 47... REMOVING AND INSTALLING/REPLACING BATTERY COVER .
Loosen nut (1).
Tightening torque, see 61 21 1AZ in 61 21 BATTERY WITH TERMINAL .
Disconnect battery negative lead (3) and secure at side.