Clue: Vehicle has trouble in road revers­ing and parking? Cheat! (4-5)
Answer: CARD-SHARP
Explanation: Definition: Cheat!
A charade of CAR ('vehicle') plus DSHARP, an envelope ('in') of SHA, an anagram ('trouble') of 'has' in DR, a reversal ('reversing') of RD ('road') plus P ('parking').