Dodge RAM PROMASTER 2018 Diesel Supplement page 70

68 SERVICING AND MAINTENANCE
Automated Manual Transmission
Checking Fluid Levels
To check the gear oil and check/replace the hydraulic
clutch operating system fluid, contact only your authorized
dealer.
NOTE: Do not add or use leak detection dye in the
hydraulic clutch operating system fluid.
WARNING!
Used gear oil contains substances that are hazardous
for the environment. It is advisable to have oil changed
by your authorized dealer where used oil will be
disposed of according to the law.