I'm buying a 1997 Camry 2.2L automatic tomorrow and will change the timing belt immediately. A Toyota dealer in town has a service coupon for $229.99 to change it, what's the catch? Is it a good deal?

Here's the link to the dealer special:

http://riverviewtoyota.com/Service-Specials/
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1997 Toyota Camry 2.2L 5SFE 191k - PU 5w30