2008 GMC Envoy Owner's Manual - Page 264

Driving at Night Night driving is more dangerous than day driving because some drivers are likely to be impaired - by alcohol or drugs, with night vision problems, or by fatigue. Night driving tips include: Watch for animals. When tired, pull off the road. Do not wear sunglasses. Avoid staring directly into approaching headlamps. Keep the windshield and all glass on your vehicle clean - inside and out. curves. • Drive defensively. • Do not drink and drive. • Reduce headlamp glare by adjusting the inside rearview mirror. • Keep your eyes moving, especially during turns or No one can see as well at night as in the daytime. But, as we get older, these differences increase. A 50-year-old driver might need at least twice as much light to see the same thing at night as a 20-year-old. • Slow down and keep more space between you and other vehicles because your headlamps can only light up so much road ahead. 4-26