Volvo V70 Owner's Manual page 181

04 Comfort and driving pleasure
Park Assist*
Cleaning the sensors
04
Sensor location, front.
Sensor location, rear.
The sensors must be cleaned regularly to
ensure that they work properly. Clean them
with water and car shampoo.
*
180
Option/accessory, for more information, see Introduction.
NOTE
Dirt, ice and snow covering the sensors may
cause incorrect warning signals.