2004 Cadillac XLR Owner's Manual - Page 328

Usage Fluid/Lubricant SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115. With a complete drain and refill add 4 ounces (118 ml) of Limited-Slip Axle Lubricant Additive (GM Part No. U.S. 1052358, in Canada 992694) where required. See Rear Axle on page 5-45. Usage Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor and Release Pawl Hood and Door Hinges Weatherstrip Conditioning Fluid/Lubricant Lubriplate Lubricant Aerosol (GM Part No. U.S. 12346293, in Canada 992723) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474). Dielectric Silicone Grease (GM Part No. U.S. 12345579, in Canada 992887). Rear Axle (Limited-Slip Differential) 6-12