To wipe the oil dipstick and check for metal shavings or "milky" residue.
Pull the dipstick; "milky" oil can indicate a blown head gasket. buying a used car checklist pdf
Inspect for oil, coolant, or brake fluid leaks on the engine and the ground beneath it. To wipe the oil dipstick and check for
For looking under the chassis and into deep engine corners. and trunk are uniform.
To check for "body filler" (bondo); magnets won't stick to areas repaired with filler.
Ensure gaps between doors, hood, and trunk are uniform.