2005 Toyota Tundra Owners Manual - Page 896
2005 Toyota Tundra Manual
Page 896 highlights
'05 TUNDRA_U (L/O 0504) CAUTION Never turn off the engine to coast down hills. Your power steering and brake booster will not function without the engine running. Also, the emission control system operates properly only when the engine is running. 390 2005 TUNDRA from Apr. '05 Prod. (OM34440U)