Toyota Tacoma 2002 Operating Manual page 216

'02 Tacoma U (L/O 0109)
CAUTION
Never turn off the engine to coast
down hills. Your power steering and
brake booster will not function with-
out the engine running. Also, the
emission control system operates
properly only when the engine is run-
ning.
216
2002 MY TACOMA_U (OM35786U)