You are driving on a multi-lane road, and you are feeling thirsty;

Try and pull over before you decide to take a drink

Multi-lane roads provide one of those lanes for low speed. In this case, the driver must go to the right lane before he can drink the water. Changing lanes can be tricky. There's a lot to think about and it's important he/she/they check the spaces around his/her/their vehicle thoroughly.