What does the yellow sign with the truck on it mean?
The Truck Crossing (W11-10) sign is used to alert motorists in advance of locations where unexpected entries into the roadway or shared use of the roadway by trucks might occur. via
What is a downgrade in driving?
What does a Downgrade sign mean? A Downgrade sign means that you are approaching a steep downward slope. Trucks and large vehicles should slow down and shift to a lower gear. via
What does this sign mean skidding?
The slippery road sign is a warning sign. Slippery road signs are posted in areas where a slippery condition might exist. Drivers should use extreme caution and slow their speed when the road is wet or icy. Avoid any sudden changes in direction when conditions are poor. via
Where are the blind spots on a truck?
On Both Sides of the Truck
On the driver's or left side of the truck, the blind spot extends outward for one lane, almost three-fourths of the way to the back of the trailer. The passenger or right side of the truck has a larger blind spot. The blind spot extends outward for two lanes. via
How do you control speed on steep downgrades?
Explanation On long and/or steep downgrades, you should primarily use engine braking to control the speed of your vehicle. Use your brakes only as a supplement to this effect. via
What is a steep downgrade?
In some provinces, signs are posted in advance of steep or long downgrades: These signs indicate that you must stop the vehicle in the pull-out area and inspect the vehicle's braking system before proceeding. Check: Compressor is maintaining full reservoir pressure. via
What is your safe speed on a downgrade?
A 35 mph. When driving down a decline, use your brakes to keep you near your safe speed. Press the brakes to slow your vehicle to 5 mph below your safe speed and then release; repeat as needed once you surpass your safe speed. via
Can you drive with traction control light on?
While your car is typically safe to drive with the traction control light on, you should not drive it under certain conditions. If the traction control light, anti-lock braking system light, and the red brake-warning light are on, your entire braking system may be affected. via
What's traction control do?
The traction control system (TCS) detects if a loss of traction occurs among the car's wheels. Upon identifying a wheel that is losing its grip on the road, the system automatically applies the brakes to that individual one or cut down the car's engine power to the slipping wheel. via
What is traction control off? (video)
What is a hill ahead sign?
Hill / Downgrade Traffic Sign
This traffic sign warns you about a hill or a downgrade up ahead on the road. Slow down and be ready to shift to lower gear to control speed and save brakes. via
What is a California legal truck?
California Legal Truck: The 65-foot maximum length limit for vehicle combinations is codified in CVC Section 35401 which is copied here in part: 35401. (a) "... a combination of vehicles coupled together,, may not exceed a total length of 65 feet." via
What does low or soft shoulder mean?
Soft shoulder means that the pavement transitions into gravel/dirt at the shoulder. If your car goes off of the pavement and hits the soft shoulder, you could lose control of your car. If you do happen to meander onto the soft shoulder, make sure you gradually return to the pavement. via
What is a low shoulder driving?
Low Shoulder—there is at least 3 inches of elevation difference between the road and the shoulder. Shoulder Drop Off—there is a sharp drop-off in elevation between the road and the shoulder. Right Shoulder Closed—the right shoulder is inaccessible up ahead. via
What does a diamond painted on the road mean?
The Federal Highway Administration's Manual on Uniform Traffic Control Devices states that diamonds indicates a lane reserved for high-occupancy vehicles. via
What does yellow and black sign mean?
A yellow and black circular sign or an x-shaped sign indicates that you are approaching a railroad crossing. You must look, listen, slow down, and prepare to stop, if necessary. Let any trains pass before you proceed. via
How can you tell if the driver of a large truck can see you?
These blind spot areas include: directly in front, directly behind and along each side—especially on the right side. If you cannot see the truck driver's reflection in his or her side mirror, you are in the truck driver's blind spot and they cannot see you. via
Where is the biggest blind spot in a truck?
The largest blind spot for trucks is on the right and extends across two lanes of traffic. A good rule of thumb is that if you can't see a truck driver's mirror when you are behind the truck, the driver cannot see you. via
What is the no zone of a truck?
Big rigs have several blind spots due to their size and height. Areas where trucks can't see around the rig and trailer are called “No-Zones”. Drivers who share the roadway with trucks must be aware of these “No-Zones” to stay safe. via
How do you drive an automatic semi truck downhill? (video)
When going down a steep downgrade you should?
When Driving down a steep downgrade You should never?
When driving down a steep downgrade, YOU SHOULD NEVER: Shift to NEUTRAL. Rumble strips that are placed on the side of roadways are to alert drivers they are: Driving off the traveled portion of the roadway. via
Why might your brakes start to fade going downhill?
Brake Fluid Fade: Brake fluid fade can happen when water in the vehicle's brake fluid overheats from all the friction. That overheated water boils into steam, which reduces the effectiveness of your brakes. When brake fluid fade occurs, pressing down on the brake pedal may result in a soft or “spongy” feeling. via
When going down a long steep downgrade You should always CDL?
When going down a long steep downgrade you should always: Use the braking effect of the engine. You must park on a side of a level, straight, four-lane divided highway. via
How often should you drain air tanks CDL?
Remember: Manual air tank drains must be drained daily in order to get rid of water and oil inside the air tanks. You may be asked about this on the written exam. Make sure you remember that the safety relief valve generally opens at 150 psi. via
How do you go down a steep hill in a truck?
Tips for driving down a steep hill
Use the auxiliary brakes to help control the vehicle speed if required. - If you find you're in the wrong gear, stop the vehicle immediately and select the right gear before moving on. - Never attempt to descend a hill in neutral gear or with the clutch depressed. via
What is the proper way to control your truck when descending a downhill grade?
According to the CDL manual, brakes should be applied just hard enough to noticeably slow down. When they are slowed down to at least 5 mph below the posted legal/safe speed for trucks, they should release the brakes. When the speed increases again to the speed limit, they should brake down again. via
How do you drive a truck down a mountain?
What causes the traction control light to come on?
Many traction control systems will illuminate the warning light when the system detects a loss of traction, like in snowy or rainy weather. Typically the light is seen when the system intervenes to maintain traction. via
Can tire pressure affect traction control?
The ABS or traction control system may be inadvertently activated by these false or inaccurate signals. Depending on the signal transmitted from the wheel speed sensors to the ABS system as a result of the change in tire pressure, this may have also caused the ABS light to come on. via
How do I clear my traction control light?
Traction Control Is Turned Off
So, if your vehicle's traction control light is on, it may be as simple as making sure your traction control is not turned off. Commonly located near the steering wheel on the instrument plane, you will be able to turn it back on via a simple switch. via
How does Hill Descent Control Work?
Hill Descent Control reduces the wasted braking potential by changing braking pressure to each wheel, which means each is then braked to its traction limit. The driver sets a descent speed, and the computers take care of the rest. The speed of the car is calculated from averaging the speeds of each of the four wheels. via
Should I keep traction control on or off?
When turned off, you may notice that your vehicle handles differently than you are used to when driving on slippery surfaces. This is why you should leave your traction control on at all times. via
How do you turn off traction control?
If equipped, there should be a switch/button showing a picture of a car with wavy lines underneath. Press this button to turn off traction control. This should then display the light on the dash as a steady yellow light indicating the TC is now turned off. via