	autospa lube to buy control of cardis cds autospa corp said it has signed an agreement to purchase shares of eight pct convertible preferred stock of cardis corp representing voting control for mln dlrs the company said the preferred purchase will be financed by an investment group led by autospa it said it will also receive from cardis five year options to buy cardis common shares at to seven dlrs each depending on the time of exercise and warrants to purchase about shares at to dlrs each the company said the exercise of all options and warrants by autospa would result in a tital investment of to mln dlrs execution of a definitive agreement is expected by april it said subject to the completion of financing arrangements and closing is expected by may reuter 
