https://www.airmiles.ca/arrow/EarnMi...geLocale=en_CA

When you spend a minimum of $20 in fuel at Shell Canada, you can earn 2X or 10X the Air Miles Rewards Miles with a car wash purchase.

Earn 10x Air Miles Reward Miles with an Ultimate Plus Car Wash
or
Earn 2X Air Miles Reward Miles with a Basic or Ultimate Car Wash

- No coupon required
- Limit of one bonus offer per transaction
- Offer not valid at time charged or coin operated car washes
- Valid until April 29, 2012 at participating Shell locations