Scuba, lagering is cold conditioning of a beer that used a lager yeast. The kit you made is an ale so lagering is not required. I can't figure out why they would suggest lagering an ale.I looked at theinstructions and fromwhat they describe, that isn't really lagering. With the kit you made I would condition it at room temperature and the cool prior to drinking a couple days.
Most ales take about 2 weeks to ferment. I do one week in primary and then one week in secondary. You check your SG and if it is target you check it a couple more days in a row similar to a wine kit. You can then bottle it. If you bottle you add the corn sugar or what ever type sugar you are using to prime and condition the beer. It will then take a couple weeks or so to carbonate the beer. This is done at room temperature.
You can then chill and drink the beer. If you let it set a while longer it ages and gets better such as wine but don't take near as long. I keg my beer so I have never bottled and can't give you experience specifics. I will say that the beer I kegged and forced carbonated last week was kind of watery the first day or so and was un-impressed. After a week it has evolved considerably and now is better than the commercial version of the beer I made, a Belgian White (Hoegaarden).