CD Cheat Sheet 2026

The 30 highest-yield CD facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which condition would make paint correction unsafe or inadvisable on a vehicle? → Paint depth readings below 2 mils (50 microns) on clear coat
2. What is the typical recommended dwell time for an iron/fallout remover applied to wheels before agitation and rinsing? → 3 to 5 minutes
3. When detailing a vehicle with chrome-plated wheels, which product should be strictly avoided? → Acid-based wheel cleaner
4. What is the purpose of a dual-action polisher? → To remove swirl marks and polish the paint
5. Which technique most effectively removes iron contamination embedded in a wheel finish without causing scratches? → Applying an iron/fallout remover with gentle agitation and thorough rinsing
6. Which of the following is a fundamental principle of ceramic nano-coating application as it applies to Certified Detailer? → Systematic evaluation and adherence to established industry standards
7. Swirl marks on a vehicle's paint are most commonly caused by which of the following? → Improper washing technique with dirty mitts or towels
8. What is the primary ethical obligation of a CD professional when a conflict of interest arises during pricing strategy & upselling activities? → Disclose the conflict to all relevant parties and recuse from the decision if necessary
9. What is the role of air fresheners in vehicle interior detailing? → To eliminate odors and refresh the interior
10. A CD professional encounters an unfamiliar situation while performing chemical safety & sds compliance duties. What is the most appropriate first action? → Consult relevant standards, guidelines, or a qualified supervisor before proceeding
11. When using an acid-based wheel cleaner, which safety precaution is most critical? → Wearing chemical-resistant gloves and eye protection
12. What is the main advantage of using a car dryer in vehicle detailing? → It helps to remove water quickly without leaving spots
13. How should leather upholstery be cleaned? → With a leather-safe cleaner and conditioner
14. What is the correct procedure for preventing tire dressing from slinging onto vehicle paint after application? → Apply sparingly, allow to absorb, and wipe off any excess
15. Why is interior cleaning important in vehicle detailing? → It helps maintain a clean and comfortable environment
16. What visual change indicates an iron/fallout remover is actively working on wheel contamination? → The product changes to a red or purple color
17. What is the benefit of using a microfiber cloth in vehicle interior cleaning? → It traps dirt and prevents scratches
18. What does 'cutting ability' refer to when describing a polish or compound? → The product's ability to abrade and level the paint surface to remove defects
19. What is the purpose of a paint inspection light or LED swirl finder when performing paint correction? → To reveal surface defects, swirls, and scratches that are invisible in normal lighting
20. What is the function of a rotary polisher? → To remove imperfections and polish paint
21. Why are microfiber towels preferred in detailing? → They are soft, non-abrasive, and trap dust effectively
22. What causes 'tire blooming,' the natural brown discoloration that appears on tire sidewalls? → Antiozonant compounds migrating to the tire surface to protect the rubber
23. Why is using a microfiber towel important in vehicle detailing? → They trap dirt and are gentle on the surface
24. What type of cleaning solution is used for upholstery cleaning? → Upholstery-specific cleaners designed for fabric and leather
25. When cleaning a vehicle's undercarriage, what type of spray equipment provides the most effective contaminant removal? → A pressure washer with an undercarriage rotating nozzle or wand attachment
26. A vehicle panel shows RDS (random deep scratches) that catch a fingernail. As a certified detailer, what is your first step? → Measure paint thickness to determine if correction is safe
27. A CD professional encounters an unfamiliar situation while performing decontamination & clay bar duties. What is the most appropriate first action? → Consult relevant standards, guidelines, or a qualified supervisor before proceeding
28. What is the primary ethical obligation of a CD professional when a conflict of interest arises during decontamination & clay bar activities? → Disclose the conflict to all relevant parties and recuse from the decision if necessary
29. Why should wheel cleaner never be applied to hot wheels or in direct sunlight? → High surface temperatures cause premature drying that can etch or stain the finish
30. Which wheel finish type is most vulnerable to damage from harsh acidic or alkaline cleaners? → Bare polished aluminum wheels