IDA Interior Detailing Techniques 2

Question 1

How should a detailer treat vinyl dashboard surfaces to prevent cracking over time?

Accepted Answer

Apply a UV-protective, matte-finish vinyl conditioner to replenish plasticizers

Answer

UV-protective vinyl conditioners replenish plasticizers that keep vinyl flexible and prevent UV-induced cracking, while a matte finish avoids dangerous windshield glare.

Question 2

What dilution ratio of an all-purpose cleaner (APC) is typically appropriate for cleaning a lightly soiled plastic door panel?

Accepted Answer

1:10 to 1:20 (5%–10% APC)

Answer

A 1:10 to 1:20 dilution provides enough cleaning power for lightly soiled plastic without being too aggressive or leaving residue.

Question 3

Why should a detailer avoid using silicone-based dressings on steering wheels?

Accepted Answer

Silicone dressings make the steering wheel slippery, creating a safety hazard

Answer

Silicone-based dressings leave a slick surface on steering wheels, reducing grip and creating a dangerous driving condition.

Question 4

What is the safest method to clean an LCD touchscreen in a modern vehicle interior?

Accepted Answer

Use a barely damp microfiber cloth with distilled water or a screen-safe cleaner

Answer

A barely damp microfiber cloth with distilled water or a dedicated screen-safe cleaner prevents streaking and avoids damaging anti-glare or oleophobic coatings.

Question 5

What causes 'off-gassing' odor inside a newly detailed vehicle?

Accepted Answer

Residual solvents or chemicals from interior products evaporating in the cabin

Answer

Off-gassing occurs when solvents and chemicals in interior dressings, cleaners, or protectants continue to evaporate inside the enclosed cabin after detailing.

IDA - International Detailing Association Practice Test

IDA - International Detailing Association Practice Test

IDA Interior Detailing Techniques 2