RDX AWD L4-2.3L Turbo (2010)
3. Flip the HEAT toggle switch to ON; the green indicator above the toggle switch comes on. Wait 1 hour for the cooler cleaner to reach its operating
temperature. (The cooler cleaner is ready to use when the temperature gauge reads 140 ° to 150 °F.)
NOTE: If the red indicator above the HEAT toggle switch comes on, the fluid level in the tank is too low for the tank heater to work (see step 1 of this
procedure).
4. Select the appropriate pair of fittings, and attach them to the radiator, to the hoses, or to the banjo bolts for flow through the ATF cooler cleaner.
5. Connect the red hose to the cooler outlet line (the line that normally goes to the external filter on the transmission).
