Chevrolet 2010 Colorado, Owner'S Manual

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3. Check both sides of the dipstick, and read the
lower level. The fluid level must be in the COLD
area, below the cross-hatched area, for a cold
check or in the HOT or cross-hatched area for a
hot check. Be sure to keep the dipstick pointed
down to get an accurate reading.
4. If the fluid level is in the acceptable range, push
the dipstick back in all the way; then flip the handle
down to lock the dipstick in place.
How to Add Automatic Transmission
Fluid
Refer to the Maintenance Schedule to determine what
kind of transmission fluid to use. See
Recommended
Fluids and Lubricants on page 7 ‑ 10 .
Add fluid only after checking the transmission fluid while
it is hot. A cold check is used only as a reference. If the
fluid level is low, add only enough of the proper fluid to
bring the level up to the HOT area for a hot check.
It does not take much fluid, generally less than one pint
(0.5 L). Do not overfill.
Notice: Use of the incorrect automatic transmission
fluid may damage the vehicle, and the damages may
not be covered by the vehicle's warranty. Always
use the automatic transmission fluid listed in
Recommended Fluids and Lubricants on page 7 ‑ 10 .
. After adding fluid, recheck the fluid level as
described under
“ How to Check Automatic
Transmission Fluid, ” earlier in this section.
. When the correct fluid level is obtained, push the
dipstick back in all the way; then flip the handle
down to lock the dipstick in place.
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