It is a 6-digit number assigned by MasterCard to each acquirer. If a merchant has different acquirers for Authorization versus Settlement, the merchant will have a separate ICA for each one. SIGIS is only collecting the Authorization Acquirer ICA at this time.
If your car is shaking it could be poor suspension alignment can cause a car to shake and vibrate, and other possible causes are bent or worn suspension parts, old tires, bentâ¦ wheels and bad brakes. If your car sounds especially rough at speed, the problem could lie with the car's spark plugs and wires.
Bald tires will definitely cause your steering wheel to vibrate and your car to shake. Furthermore, if you continue driving on bald tires, they are likely to blow out, and having a tire blow out at highway speeds is extremely dangerous, especially if it's a front tire.