Special Application Services
• Allison Transmission™ Vehicles Only: Replace external transmission filter at first engine oil change only.
• Vehicles with Dual Wheels: Check dual wheel nut torque at 160 km/100 mi, 1 600 km/ 1,000 mi and 9 700 km/6,000 mi.
• Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/ 3,000 mi.
• Have underbody flushing service performed once a year.
See also:
Windshield Wiper/Washer
The windshield wiper/washer lever is located on the right side of the steering
column. With the ignition in ACC/ACCESSORY or ON/RUN/ START, move the windshield
wiper lever to select the wiper sp ...
Engine Cooling When Trailer Towing
The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating on page 10‑18. ...
End a Call
Push . System responds: “Call ended.” ...





