Assuming you mean the first Midtown Madness, you can't.
You use your arms out he widow as signals.
Yes, it is illegal to not use turn signals while driving. Failure to use turn signals can result in a traffic violation and a fine. It is important to use turn signals to indicate your intentions and ensure the safety of yourself and other drivers on the road.
Use hand signals.
No, turn signals are required on the vehicle.
If you mean turn signal hand signals, then yes.
The PA Motor Vehicle Code, § 3334. Turning movements and required signals- says that you will use your turn signals or hand signals when you are turning or changing lanes.
If you don't have turn signal lights then you must use hand signals.
No, but you will need to use hand signals.
To install and use bike turn signals effectively for safer cycling, follow these steps: Purchase a set of bike turn signals that can be easily attached to your bike. Install the turn signals on the front and back of your bike according to the manufacturer's instructions. Familiarize yourself with how to activate the turn signals while riding. Use hand signals in conjunction with the bike turn signals to indicate your intentions to other road users. Practice using the turn signals in different scenarios to ensure you are comfortable and confident using them while cycling.
Required by law (motorcycles manufactured before 1973 are not required to be equipped with turn signals.)
Yes!
In GTA and in Saints Row, there are no turn signals, you just have to turn without them and hope no-one crashes into you!