• Safe start engine to inspect for Lighting Indicators.
  • Inspect if ABS is functional
  • Inspect if DEF/DPF indicator is working (if equipped)

“After assuring the parking brake is set and the transmission is in neutral I ‘ll turn the key to the on position. The indicators for various functions will be displayed on the dash at this time. One of the checks performed on startup is the presence of an Antilock Braking System. It appears to be present and functioning properly as the amber ABS light appeared on the dash and went out when the test was complete. The DEF indicator also displayed.”