Aston Martin One-77 2010 Owner's Manual page 166

During the winter months, it is advisable to wash the
vehicle more frequently, paying particular attention to
the underside to combat the detrimental effects of any
salt and sand contamination picked up from treated
roads.
To delay the onset of corrosion developing on the
brake components Aston Martin recommend that after
washing this vehicle, the vehicle should be driven a
short distance to make sure that all the water and
washing product has dried off.
For best results:
Do not wash the vehicle in strong sunlight. Let the
vehicle cool before washing.
Do not use household soaps or detergents.
Do not direct water hoses at full force around the door
and boot lid seals.
Do not use a brush on the car body as this will leave
little scratches.
Suggested washing method:
1. Fill two buckets with water. To one bucket add a
mild neutral detergent, as directed by the
detergent manufacturer.
2. Hose the vehicle to remove all dust and mud
residue. Don't use a strong jet, as this can rub grit
over the paint and scratch it.
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3. Soak a large wash mitt or a soft sponge in the
soapy water, make sure to wash out any dirt in it,
and begin applying it to the vehicle. Wash the
vehicle section by section, starting at the top.
Circle around the car several times, washing
lower areas with each round.
4. Rinse the dirt out of the wash mitt or soft sponge
in the bucket with plain water frequently.
5. After one section is washed, rinse it with the hose
before moving on, don't let the soap dry on the
paint and stain it. Always keep the vehicle wet,
this will prevent droplets from drying on the paint
and leaving water-spots.
6. Dry the car with a chamois leather before it air-
dries.
Front Grill
Wash and clean the vehicle's front grill in the same way
as the paint work, but make sure that the front grill is
dried off completely leaving no water droplets on the
grill (wipe the front grill last using a chamois leather):
Chrome polish or other abrasive cleaners must not be
used.