![P4-1246-Y55X-Menu and message - action STD-line](https://www.volvocars.com/images/support/img80d2ae1e3b3c2ac4c0a801e7018b5ce9_1_--_--_VOICEpnghigh.png?imwidth=1280)
![P4-1246-Y55X-Menu and message - action HIGH-line](https://www.volvocars.com/images/support/img2f0a4ccd3b455449c0a801e700bdc8b8_1_--_--_VOICEpnghigh.png?imwidth=1280)
OK - access the menu, acknowledge messages and confirm menu selections.
Thumbwheel – browse between menu options.
RESET - reset data in the selected trip computer step and go back in the menu structure.
If there is a message then it must be acknowledged with OK in order that the menus shall be shown.