Front Shock Absorber: Disposal

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

DISPOSE OF FRONT SHOCK ABSORBER ASSEMBLY
1. Before discarding the shock, drill a hole of 2 to 3 mm (0.079 to 0.118 in.) in diameter at the location shown in the illustration to discharge the gas inside.
  NOTE:
  - When drilling, chips may fly out, so work carefully.
  - The gas is colorless, odorless and nonpoisonous.
    
    Fig 1: Identifying Front Shock Absorber Assembly
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002