Backwards
![P5-1507-PAS rear](https://www.volvocars.com/images/support/imgfc4db5a2ef1fc9b2c0a8015276550ce4_1_--_--_VOICEpnghigh.png?imwidth=1280)
The sensors for reverse are activated if the car rolls backward without a gear engaged or when the gear lever is moved to reverse position.
The measuring range starts approx. 1.5 metres ( 5 ft) behind the car.
When reversing with a hitched trailer, parking assistance backward is deactivated automatically.
Note
Along the sides
![P5-1507-PAS Sensorplacering](https://www.volvocars.com/images/support/imgccd4e2833e1dc25fc0a80152645a61bf_1_--_--_VOICEpnghigh.png?imwidth=1280)
Parking assistance side sensors are activated automatically when the engine is started. They are active at speeds below 10 km/h (6 mph).
The measuring range starts approx. 30 cm (1 ft) from the sides. The acoustic signal for obstacles on the sides comes from the side loudspeakers.
Forwards
![P5-1507-PAS front](https://www.volvocars.com/images/support/img2d8e6b94ef6906b1c0a8015262630056_1_--_--_VOICEpnghigh.png?imwidth=1280)
The front parking assistance sensors are activated automatically when the engine is started. The front sensors are active at speeds below 10 km/h (6 mph).
The measuring range starts approx. 80 cm (2.5 ft) in front of the car.