2021 RAM PROMASTER CITY open hood

SERVICING AND MAINTENANCE231
(Continued)
Brake Master Cylinder
The fluid in the master cylinder should be
checked when performing under hood services
or immediately if the “Brake Warning Light” is
illuminated.
Be sure to clean the top of the master cylinder
area before removing the cap. If necessary, add
fluid to bring the fluid level up to the
requirements described on the brake fluid
reservoir. With disc brakes, fluid level can be
expected to fall as the brake pads wear. Brake
fluid level should be checked when pads are
replaced. However, low fluid level may be
caused by a leak and a checkup may be
needed. Use only FCA recommended brake fluid
Ú page 261.
Automatic Transmission
Selection Of Lubricant
It is important to use the proper transmission
fluid to ensure optimum transmission
performance and life. Use only FCA specified
transmission fluid Ú page 261. It is important
to maintain the transmission fluid at the correct
level using the recommended fluid.
NOTE:
No chemical flushes should be used in any
transmission; only the approved lubricant
should be used.
WARNING!
Use only FCA recommended brake fluid
Ú page 261. Using the wrong type of brake
fluid can severely damage your brake
system and/or impair its performance. The
proper type of brake fluid for your vehicle is
also identified on the original factory
installed hydraulic master cylinder reser -
voir.
To avoid contamination from foreign matter
or moisture, use only new brake fluid or
fluid that has been in a tightly closed
container. Keep the master cylinder reser -
voir cap secured at all times. Brake fluid in
an open container absorbs moisture from
the air resulting in a lower boiling point. This
may cause it to boil unexpectedly during
hard or prolonged braking, resulting in
sudden brake failure. This could result in a
collision.
Overfilling the brake fluid reservoir can
result in spilling brake fluid on hot engine
parts, causing the brake fluid to catch fire.
Brake fluid can also damage painted and
vinyl surfaces; care should be taken to
avoid its contact with these surfaces.
Do not allow petroleum based fluid to
contaminate the brake fluid. Brake seal
components could be damaged, causing
partial or complete brake failure. This could
result in a collision.
WARNING! (Continued)
CAUTION!
Using a transmission fluid other than FCA
recommended fluid may cause deterioration
in transmission shift quality and/or torque
converter shudder Ú page 261.
8

21_VM_OM_EN_USC_t.book Page 231

272
T
Telescoping Steering Column
.......................... 23Tie Down Hooks, Cargo.................................... 38Tilt Steering Column........................................ 23Tire And Loading Information Placard........... 239Tire Markings................................................. 234Tire Safety Information.................................. 234Tire Service Kit.............................................. 202Tires................................... 187, 242, 247, 250Aging (Life Of Tires)................................... 245Air Pressure............................................... 242Chains....................................................... 249Changing................................................... 194Compact Spare......................................... 247General Information........................ 242, 247High Speed................................................ 243Inflation Pressure...................................... 242Jacking...................................................... 194Life Of Tires............................................... 245Load Capacity............................................ 239Pressure Monitoring System (TPMS).. 53, 149Quality Grading.......................................... 250Radial........................................................ 243Replacement............................................. 245Rotation.................................................... 250Safety.............................................. 234, 242Sizes.......................................................... 235Snow Tires................................................. 246Spare Tires...................................... 247, 248Spinning.................................................... 244
Trailer Towing.............................................. 80Tread Wear Indicators.............................. 244Wheel Nut Torque..................................... 255To Open Hood.................................................. 37Tongue Weight/Trailer Weight......................... 79Towing............................................................. 77Disabled Vehicle....................................... 211Guide........................................................... 79Recreational................................................ 83Weight......................................................... 79Towing Behind A Motorhome........................... 83Traction............................................................ 84Traction Control............................................ 149Trailer Sway Control (TSC)............................. 149Trailer Towing.................................................. 77Hitches........................................................ 78Minimum Requirements.............................. 79Tips.............................................................. 82Trailer And Tongue Weight........................... 79Wiring.......................................................... 81Trailer Towing Guide........................................ 79Trailer Weight................................................... 79Transmission................................................... 63Automatic....................................62, 63, 231Fluid......................................................... 261Maintenance............................................ 231Transporting Pets.......................................... 184Tread Wear Indicators.................................. 244Trip Computer.................................................. 48Turn Signals..................................................... 55
U
Uconnect Phone Call Features
................................. 116Things You Should Know About Your Uconnect Phone................................... 119Uconnect Phone..........................111, 112, 113Answer Or Ignore An Incoming Call — Call Currently In Progress..................... 117Answer Or Ignore An Incoming Call — No Call Currently In Progress................ 117Bluetooth Communication Link................ 121Call Continuation...................................... 118Call Controls............................................. 116Call Termination....................................... 118Cancel Command..................................... 111Connecting To A Particular Mobile Phone Or Audio Device After Pairing................ 114Help Command......................................... 111Join Calls.................................................. 118Making A Phone Or Audio Device AFavorite................................................ 114Making A Second Call While Current Call Is In Progress................................. 118Managing Your Favorites.......................... 115Natural Speech......................................... 111Operation.................................................. 110Overview................................................... 109Pair (Link) Uconnect Phone To A Mobile Phone................................................... 112

21_VM_OM_EN_USC_t.book Page 272