Volvo XC90 Owner's Manual page 207

09 Maintenance and service
Battery
09
Changing the battery
Removing the battery
1. Switch off the ignition and remove the key
2. Unscrew the bracket and cover over the
battery
3. Wait at least 5 minutes before touching any
electrical terminals. (This allows time for
the information in your car's electrical sys-
tem to be stored in the control modules.)
4. Disconnect the negative lead first
5. Then disconnect the positive lead and the
evacuation hose for the oxyhydrogen gas
206
Fitting the battery
1. Set the battery in place
2. Connect the positive lead
3. Connect the negative lead
4. Make sure the evacuation hose is correctly
connected to both the battery and the out-
let in the bodywork.
5. Refit the cover and bracket
WARNING
REMOVAL OF BATTERY
DISCONNECT O CABLE FIRST
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DRAIN PIPE