You were charged with:
2. (1) Subject to the regulations, no owner or lessee of a motor vehicle shall, (a) operate the motor vehicle; or (b) cause or permit the motor vehicle to be operated, on a highway unless the motor vehicle is insured under a contract of automobile insurance. 1994, c. 11, s. 383; 1996, c. 21, s. 50 (3).
The Penalty:
Every owner or lessee of a motor vehicle who, (a) contravenes subsection (1) of this section or subsection 13 (11); or (b) surrenders an insurance card for inspection to a police officer, when requested to do so, purporting to show that the motor vehicle is insured under a contract of automobile insurance when the motor vehicle is not so insured, is guilty of an offence and is liable on a first conviction to a fine of not less than $5,000 and not more than $25,000 and on a subsequent conviction to a fine of not less than $10,000 and not more than $50,000 and, in addition, his or her drivers licence may be suspended for a period of not more than one year. R.S.O. 1990, c. C.25, s. 2 (3); 1996, c. 21, s. 50 (4); 2002, c. 22, s. 33.
As Argyll stated above, I highly doubt you received a $500 for one infraction, let alone 2. I have a friend who was charged with the same offense. He was charged $5000, but they gave him 5 years to pay it, and yes he did go to court.