12 00 ... Instructions for disconnecting and connecting battery: Notes
Observe Safety Instructions For Handling Vehicle Battery .
Before disconnecting battery:
Turn off the ignition and other electrical loads/consumers to prevent sparking when reconnecting.
NOTE:
If the ignition is not turned off when the battery is disconnected, fault memories may be set in some control units.
IMPORTANT:
- There is a danger of mixing up battery leads: If the battery positive and negative leads are the same colour and you are in doubt, follow the polarity to the battery, then mark and cover the leads.
- On vehicles with radio code: After disconnecting the battery, the radio code must be reentered. Therefore obtain the radio code card from the customer beforehand. Note stored stations and restore them after connecting the battery.
- Stored settings of the on-board computer and clock will also be lost.
- All available central keys must be recoded for cars with first generation infrared transmitter locking systems.
General notes on disconnecting battery:
- Do not disconnect battery leads and leads from alternator and starter motor while engine is running.
- Cars with IBS on battery negative terminal:
Do not under any circumstances pull/lever off pole shoes by force.
Do not under any circumstances release socket-head cap screw of IBS.
- Detach Terminal Of Battery Negative Lead from car battery and second battery if fitted. Cover battery negative terminal(s) and secure.
- When work is carried out on the electrical system, faults may be caused in the fault memories of some control units when the battery is connected.
- When installing battery terminal tighten torque refer to 61 21 1AZ in 61 21 BATTERY WITH TERMINAL .
After connecting battery:
IMPORTANT:
After a power supply interruption some equipment is disabled and must be reactivated.
Example:
Please refer to the Progman user documentation for further information on vehicle-specific activation.
Likewise, individual settings are lost and must be activated.
Example:
- Vehicles with build date from 03/2007:
Teach-in mid-position for power steering 61 31 996 CARRY OUT STEERING ANGLE SENSOR ADJUSTMENT
- If necessary, carry out adjustment of active front steering
- If necessary, Activate Sliding Sunroof
- If necessary, Activate Power Windows .
- If necessary, Activate Mirror With Compass
Please refer to the Progman user documentation for further information on vehicle-specific activation.