What happens if more than one car goes to the back of the grid due to penalties?

When a driverOK, so we all know what the driver is, right. I've always liked the description that F1 drivers are like... There's more... takes grid penaltiesGrid penalties are where a team is penalised with a demotion from their qualifying position. Grid penalties are used when... There's more... for exceeding their component quota they move back down the gridThe grid is a reference to the starting order of the race is typically determined by qualifying, however, with the... There's more... – 10 places for the first component and 5 places for each subsequent restricted part.

But if they take three or more parts then they automatically go to the rear of the grid and if two or more cars do the same thing, they are sent to the rear in the order that they finish qualifyingQualifying (Quali) is a one-hour session used to determine pole position and the order the cars will line up behind... There's more....

If the upgrade occurs after qualiQuali (Qualifying) is a one-hour session used to determine pole position and the order the cars will line up behind... There's more..., then they are placed in the order that they advise race control of what they are doing. So for that reason, there can be an advantage in making the decision early, particularly if there are rumours about other teams weighing up their options.