Astra L4-1.8L (2009)
4. Remove active head restraints, on vehicles with head restraint guide sleeves.
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Bend a standard wire release hook, wire diameter 1-1.5 mm (0.04-0.06 in), for active head restraint guide sleeve as in illustration I.
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Mark insertion depth of 50-55 mm (1.97-2.16 in).
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Insert release hook opposite the release button of active headrest guide sleeve, release guide sleeve and pull out upwards.
