Chapter 12 1152020 Driving in Adverse Conditions 1

Chapter 12 11/5/2020 Driving in Adverse Conditions 1

Driving Videos of Adverse Weather Conditions http: //www. youtube. com/watch? v=Xe. YKi. HIb-Is http: //www. youtube. com/watch? v=1821 CZl. K-f. Q 11/5/2020 Driving in Adverse Conditions 2

Chapter 12 EQ: What are some techniques that you can use for night driving? Overdriving Headlights – driving at a speed that makes stopping distance longer than the distance lighted by your headlights. 11/5/2020 Driving in Adverse Conditions 3

Reduced Visibility When visibility is reduced, more time is needed to use the IPDE Process. In this chapter we will be discussing some techniques you can use when driving in a variety of adverse conditions. 11/5/2020 Driving in Adverse Conditions 4

Your Vehicle Windows KEEP IT CLEAN! Use your wiper fluid Front and rear defrosters Clean windows and lights before going out into adverse weather 11/5/2020 Driving in Adverse Conditions 5

Sun Glare Sunglasses Use your visor Try to avoid looking directly at the Sun Use your low beams so other drivers can see you 11/5/2020 Driving in Adverse Conditions 6

At Dusk and Dawn Low visual contrast between moving vehicles and the driving scene can be deceiving. Again, by driving with your low beam you can make yourself more visible to other drivers. 11/5/2020 Driving in Adverse Conditions 7

Driving at Night Low levels of light at night severely limit the use of the IPDE Process. What are some things you would see during the day that you might not see at night? 11/5/2020 Driving in Adverse Conditions 8

Using Your Headlights High-beam headlights are used to see things further down the road. 11/5/2020 Driving in Adverse Conditions 9

Using Your Headlights cont. Switch to low-beams…. . -when following other cars. (1/2 mile) -the instant you see the lights of an oncoming vehicle. -if another vehicle passes you. This will help prevent you from blinding other drivers with your headlights. 10

Using Your Headlights cont. Use your low-beams in weather like snow, heavy rain, or fog Reason: Your high-beams will reflect more light back into your eyes in these weather conditions. 11/5/2020 Driving in Adverse Conditions 11

Using Your Headlights cont. When meeting other drivers who fail to switch to their low-beams. . . 1. Briefly flick high-beams 2. Slow down and glance to the right if driver doesn’t respond 3. Don’t stare directly into oncoming High-beams 11/5/2020 Driving in Adverse Conditions 12

FOG RAIN SNOW Use low-beams and wipers Slow down Increase your space cushion Keep your windows clean and clear (washer fluid, defroster, ice scraper) If driving conditions are too dangerous, delay your trip or find a safe place to “wait it out”. 11/5/2020 Driving in Adverse Conditions 13

Assignment: Pg. 233 (1 -3) What actions should you take when using the IPDE process in limited-visibility situations? 2. What steps can you take to help others see you at dawn and dusk? 3. When should you use low beam headlights at night? 1. 11/5/2020 Driving in Adverse Conditions 14

Chapter 12. 2 EQ: How do you avoid hydroplaning? Hydroplaning – when a tire loses road contact by rising up on top of the water and no longer has contact with the road. 11/5/2020 Driving in Adverse Conditions 15

Four common conditions that can limit your traction: RAIN SNOW ICE SAND, GRAVEL, MUD and other debris 11/5/2020 Driving in Adverse Conditions 16

Reduce speed to compensate for loss of traction. When rain first starts roadway can be very slick. SLOW DOWN AND LIGHTLY TEST YOUR BRAKES! 11/5/2020 Driving in Adverse Conditions 17

Hydroplaning When a tire loses contact by rising up on top of water and no longer has contact with the road, hydroplaning occurs. 11/5/2020 Driving in Adverse Conditions 18

Causes of hydroplaning: Water Speed Tire Condition Prevention: Reduce your speed Have properly inflated tires with good tread

Driving through deep water When in doubt don’t! 1. Estimate depth w/ cars or other objects 2. Drive slow in low gear 3. Apply light brake pressure with left foot while driving to insure brake is functional (afte 11/5/2020 Driving in Adverse Conditions 20

Driving in Snow Gentle acceleration, steering and braking are the keys to controlling your vehicle in snow. 11/5/2020 Driving in Adverse Conditions 21

Tips for driving in snow: If at all possible don’t drive in snow! Use all-season tires Use Rocking technique if stuck in snow 1. Straighten wheels 2. Gently accelerate forward and backwards 3. Continue until tracks are made long enough to drive out.

Predict the worst when ice begins to form Check for traction Slow gradually if car begins to slide If you don’t have to drive don’t 11/5/2020 Driving in Adverse Conditions 23

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When your tire loses all or part of it’s traction on the road. Can happen on any surface during Braking Accelerating or Steering 11/5/2020 Driving in Adverse Conditions 25

Ways to prevent skidding: Slow ahead of time Early detection Aim High in Steering! 11/5/2020 Driving in Adverse Conditions 26

How to correct skidding situations Never lock your brakes Let off accelerator Steer in direction you want to go Pump brakes if you don’t have ABS Slow down! If you have ABS apply brakes firmly

Listen for traffic reports Keep windows clean Lower your speed Keep a safe following distance Keep moving in snow Use lower gears on slippery roads

Assignment: pg. 241 (1 -4) 1. How do rain and snow affect a vehicle’s traction? 2. How does hydroplaning affect vehicle control? 3. How do you know if you are experiencing an understeer situation? 4. How can a driver attain maximum controlled braking in a vehicle that is not equipped with ABS? 11/5/2020 Driving in Adverse Conditions 29