Inspecting a pre-warmed car
A cold start is a one-time diagnostic event per visit: startup rattles, smoke on first fire and cold-idle behaviour reveal wear that disappears within a minute of running. Sellers who warm the car before you arrive erase that evidence, deliberately or not. Ask for the car cold, and in summer add a hot-restart test after a ten-minute heat soak.
Trusting the registration test as a condition report
The Tasjeel or ADNOC test is a roadworthiness screen that takes minutes on rollers and gauges. It says nothing about paint depth, gearbox health, AC capacity, timing components or flood history. Treat a fresh pass as the floor requirement and the independent inspection as the actual assessment of what you are buying.
Letting evening light close the deal
Forecourt lighting and Ramadan-hour viewings flatter paintwork: colour mismatch, orange peel and filler ripples vanish under artificial light. Do the conversation at night if you must, but make the final decision after the car has been seen washed, in low-angle daylight, ideally with gauge readings across every panel.