Hoover and clean inside, wipe dash etc
How many slicks are mounted?
How many wets are mounted?
How many spare rims do you have?
Set rear wing, what hole?
Tracking, what does it need setting to?
Set platform heights, what are they set to?
Run up to temp, run through box and check fan
operation
Seat belts set for driver?
Transponder fitted? Number
Is there enough seat padding?