Possible Clues:

• Like "Lady Chatterley's Lover"
• Naughty or extremely angelic, kept in line
• Daring Charles, say, to take cocaine
• Blue, in a sense
• Blue vehicle reversing at front of yard
• Zestful organisation to help motorists coming to journey's end
• Suggestive, risqué
• Full of vigour for motoring organisation going to end of January
• A bit improper
• Risqué account penned by Republican youth leader