Use $1 Coins

To use $1 coins in the Activa coin dispenser, rather than quarters, you must change settings in two different places.

On the Activa,

  1. Login to Maintenance mode.
  2. Touch the System Setups button.
  3. Touch the Hardware Setups button.
  4. Touch the Coin Dispenser tab.
  5. Enter 1.00 in the Coin Value field.
  6. Touch Accept.
In the Code-a-Wash application on the Site Controller:
  1. Login to the Code-a-Wash application.
  2. Touch the Setup Menu button.
  3. Touch the Coinbox button.
  4. Touch the Currency tab.
  5. Set Change Value to 1.00.

Link: