I thought you all may be interested to see what came out in the Spring Cupon Book. None of these stack together. If you want to make photocopies of mine, I'm in Seattle and happy to loan you the book.

Spring Service $70
Wild Card $15 off any service or parts over $125
30/90K Service $30 off
60/120K Service $60 off
Tire Rotation & Brake Inspection $27
Fuel Injection Service $120
KumHo Ecsta 225 45ZR18 Tires $550 installed
Clutch Operation Test $Free plus 10% clutch repairs
Lube, Oil & Filters $32
AC Service $58
Cooling System Service $58
10% off service on cars with 100K+ miles
$25 off purchase over $175
$50 off purchase over $350
$75 off purchase over $650