MIght be wrong but i thought:
Amber warning light: incompatability issue. light gives advice.
Red warning light: ABS fault/ABS not working. Stop! GV9 'able.
but may vary by truck manufacturer?
MIght be wrong but i thought:
Amber warning light: incompatability issue. light gives advice.
Red warning light: ABS fault/ABS not working. Stop! GV9 'able.
but may vary by truck manufacturer?