LEGO® Batman™ 2: DC Super Heroes Mini Guide & Map Pack Walkthrough Level 2 Harboring a Criminal
Objective 3 - Defeat the Joker
A - While battling the Joker in the parking lot after the boat chase, destroy four parked cars (story)
B - Drive the cart in the parking lot's left foreground corner (story)
C - Destroy the gold clamps on the side of the construction vehicle, then fix the foreground truck's ramp and drive the construction vehicle onto it (free play)