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:
Defensive Driving
Defensive driving means “always expect the unexpected.” The first step in driving
defensively is to wear the safety belt. See Safety Belts on page 3‑12.
○ Assume that other road use ...
Pick-Up Box Identification and Fender Marker Lamps
The pick-up box identification lamps are LEDs. For replacement of the LED lighting assembly contact your dealer.
To replace a pickup box fender marker lamp bulb:
1. Press the tab from the back to re ...
Engine Hours
To display the ENGINE HOURS, place the ignition in LOCK/OFF or ACC/ACCESSORY, then press and hold the trip odometer reset stem for four seconds while viewing the ODOMETER. This display shows the total ...





