Funny Dad birthday card: What does this light on my car mean

Funny car problems, car on fire, mechanic Dad birthday card from daughter or son: What does this light on my car mean? (Size A6/A5/A4) Daaaaaad What does this light on my car mean? Happy Birthday • Blank inside • Printed on high-quality 450gsm white card for a superior finish • Dimensions and details: • A6: 5.875" x 4.125" or 148mm x 105mm - comes with brown kraft envelope • A5: 8.25" x 5.875" or 210mm x 148mm - comes with brown kraft envelope • A4: 11.75" x 8.25" or 297mm x 210mm - comes with banana yellow envelope