From the door to the bill
Ask how this restaurant works, then settle into the meal.
Wait for a cue
At the entrance, show the size of your group and ask whether you should wait or choose a table. Look for a counter, ordering screen or server rather than assuming every restaurant takes orders the same way. If a screen is difficult, ask for help before paying.
Count people and portions separately
At barbecue restaurants, ask how many portions to start with and whether a minimum order applies. Confirm what comes with the meat. Ask who handles the grill and which utensils to use for cooked food; watching another table may not explain your own order.
Small dishes, clear questions
Side dishes may arrive before the main food. Ask what they contain if ingredients matter. If you would like more, request the particular dish and check whether the refill costs extra. Do the same for rice, dipping sauces and drinking water instead of treating everything on the table as included.
Finish without guessing
Look for the bill slip or ask where to pay. If sharing the cost, ask whether the restaurant can split the payment before the transaction starts. Tipping is not customary; a clear thank-you is appropriate. Keep the receipt if you need to check a charge later.