Pontiac 1998 Trans Sport Owner's Manual page 349

Then, without shutting off the engine, follow
these steps:
1.
2.
The dipstick is located toward
the
back of the engine
compartment, next to the brake master cylinder.
The dipstick has a bright red loop 'design €or easy
identification. Pull out the dipstick and wipe it with
a clean rag or paper towel.
Push it back in all the way, wait three seconds and
then pull it back out again.
3. Check both sides of the dipstick, and read
the
lower level. The fluid level must be in the
cross-hatched area.
4.
If
the fluid level
is in the acceptable range, push
the dipstick back in all the way.
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