See also:

Supplemental air bag warning light
When the ignition switch is placed in the ON or START position, the supplemental air bag warning light illuminates for about 7 seconds and then turns off. This means the system is operational. I ...

Troubleshooting guide
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Hitch ball
Choose a hitch ball of the proper size and weight rating for your trailer. ● The required hitch ball size is stamped on most trailer couplers. Most hitch balls also have the size printed ...