Activating and deactivating warning and auto-braking when backing up*
The driver can choose to disable auto-braking with Rear Auto Brake (RAB) and Cross Traffic Alert (CTA)*. The warning signal can be deactivated separately.
Warning signal
![P6-2037-XC40BEV-Park Assist Sound symbol](https://www.volvocars.com/images/support/img49859fc4af52c02bc0a801527f6fb4cf_2_--_--_VOICEpnghigh.png?imwidth=1280)
Activate or deactivate warning signals using this button in Park Assist Camera view.
Auto-brake
![P6-2037-XC40BEV-Rear Auto Brake button](https://www.volvocars.com/images/support/imgf8124910c7391e59c0a801524178604d_2_--_--_VOICEpnghigh.png?imwidth=1280)
Activate or deactivate automatic braking using this button in Park Assist Camera view.
- Illuminated button – the function is activated.
- Extinguished button – the function is deactivated.
The functions are automatically activated each time the vehicle is started.