See also:

Range Selection Mode (Allison® Transmission or Hydra-Matic® 6-Speed Transmission)
The vehicle may have a Range Selection Mode. The Range Selection Mode helps control the vehicle's transmission and vehicle speed while driving down hill or towing a trailer by letting you select a d ...

Resuming a Set Speed
If the cruise control is set at a desired speed and then the brakes are applied, the cruise control is disengaged without erasing the set speed from memory. Once the vehicle speed reaches about 40 km ...

Checking Brake Fluid
Check brake fluid by looking at the brake fluid reservoir. See Engine Compartment Overview on page 10‑6. The fluid level should be above MIN. If it is not, have the brake hydraulic system che ...