Rental Guide

Car rental, we have mastered basic knowledge lane

Driving in many cases, for experienced drivers, relatively simple to deal with, just judge according to the sensibility to master distance, speed, driving skills such as passing, overtaking and brakes. Novice experience relative lack of accumulation of in addition to the usual practice, but should also learn some theoretical knowledge, may be helpful for actual driving.
And traffic safety-related data of
1. the speed and vision: as a general rule, faster the speed, the driver's vision of smaller, discrimination also decreased, as shown in table:
Speed (km/h) in front of dynamic Visual acuity-distance (meter) on both sides of dynamic Visual acuity-distance (m)
Each additional 13 per cent reduced 27%
2. dynamic distance:
Driving and vehicles are kept at a safe distance. So-called safe distance is found in instant speed from to the auto safety stop shelter passed away.
(1) stopping distance including: process + process + brake
(2) stopping distance calculation:
① under normal circumstances, the driver's reaction time of 0 3-1, seconds, multiplied by the speed of the reaction time, they can get reactions from.
② brake distance greatly influenced by speed, speed usually increases 1 time, braking distance will be increased 3 times.
③ If in a slippery pavement or in poor condition, brake force under braking distance will increase. for example, in snow and ice on the roads of the ordinary road surface 2~10 times more braking distance.
(3) methods for determination of safety distance:
① time method: vehicle speed low distance from the vehicle in front of a fixed frame of reference, current through, start the timer, meditation in the heart 1001,1002,1003, when their goals have not counted, then too close, should be further widened.
② Velocity method: when the vehicle speed is higher (on the highway), safety distances can also be taken for the determination of velocity, that was based on their speed, and in keeping with a similar speed of meters, such as vehicle speed of 80 km/h should keep 80 meters distance from the vehicle in front.
3. speed and vision:
(1) the person's field of vision are: about 90 ° in the horizontal direction, vertical directions 60 degrees or so.
(2) the observation from outside the cab to view obstacles due to the body, usually for 10 ° up and down, around 35 degrees.
(3) the relationship between speed and vision.
Speed (km/h) angle (degrees) observation distance (m)
Second, correct operating shift lever
(1) control light, accurate, avoid hard push and pull, so as not to cause transmission gears.
(2) when hanging reverse gear, compression you want reverse spring or lift the reverse button.
(3) the clutch shift needed to use two feet, to prolong the life of Synchronizer.
(4) when hanging 1-speed and reverse, push the gear lever must be in place, otherwise, gear long enough, can lead to premature failure.
Third, proper use of automatic transmission
Without hand operated shift lever automatic transmission vehicles, driving under the speed shift on their own, without stepping on loose clutch. With automatic transmission vehicles only the accelerator pedal and brake pedal.
1. advantages and disadvantages of automatic transmission
(1) pros:
① simply place the shift lever in d stalls, you can feel free to step on the accelerator, brakes, eliminating the need for cumbersome gear, convenient manipulation;
II as a hydraulic transmission, shift ease, can remain stationary;
③ failure rates was relatively small.
(2) disadvantages:
① spent fuel: due to the variable speed hydraulic pressure is needed to complete the process, causing loss in power in the transfer, so relative to the manual change of the mechanical drive more fuel;
② holding resistance braking effect: automatic transmission to be replaced with hydraulic torque converter clutch, wheels small role passed to the engine, thereby driving while holding necessary braking effect of the engine is not obvious, when using 2-speed or low-speed only, and only take effect;
③ automatic transmission due to production of sophisticated, relatively more expensive.
2. how to use the automatic transmission.
Start the engine
① tighten hand brake press the brake pedal;
Second gear lever in "p" or "n" file;
③ ignition starter. Note: p is void under this stalls the car cannot move;
If "n" files, to prevent car, stepping on the brake pedal start
① promoting the shift lever to the "d";
② Let Handbrake;
Three parts, releasing the brake pedal;
II press the accelerator starts reversing
① After coming to a stop, push the gear lever to "r" and then reversing;
② notice, need to step on the gas pedal with the right foot, left foot on the brake pedal up and down ramps and ramp
① General ramp, use "d" by;
② When the slope instead of "l" stall by;
③ long ledge, holding proper use of engine braking but stalls should be adjusted to "l", braking effect can be obvious;
④ attention never use n coast, otherwise it will damage the transmission stop
① brief stops (such as red lights, traffic jams, etc) should be "d" on the brakes;
② parking time is longer, stalls in "n" is better.
Four fault handling traffic accidents, driving conditions, you should try to stay calm, and take the appropriate methods to avoid or reduce injury.
1. puncture: a flat tire in the driving of vehicles, will cause the car to lose balance and tilt or swing, steering wheel control difficult. Driver first thing to do is to do our best to control direction, and quickly let go of the gas pedal and clutch pedal, pull the hand brake and stop, you should avoid using the foot brake, otherwise easily lead to a rollover accident.
2. slipped car: driving in the occurred slipped car, should take "compromise processing method", that keep awake, relax throttle, smooth car direction spin steering wheel, for example car tail right sliding partial, that put direction playing to right (note not rapid spin, and cannot take brake parking), stay side partial slightly ease Hou, slightly throttle drove out slipped car regional, and will direction back are.
Note: when the car should grasp the brake line, not brake or brakes down. Repeat touch on the brake pedal and stop should be taken or used engine holding resistance brake, otherwise, would only make the car even more serious.
3. vehicle twist: car through the deeper water or mud-filled road, lost friction and slipping due to tire, car went out of control and direction. Once a runaway tire through the water, contact with relatively dry ground, grip again, at this point the body will twist by uneven rear wheel force. At this time, should lift the brake pedal and hold the steering wheel, and a little throttle to control vehicle condition, and then take the loose throttle speed to balance the vehicle was fully under control. Note: must not be sharply accelerate out of danger or emergency braking with, otherwise it will lead to skidding or wheel rotation.
4. vehicle immersion led to brake failure: cars into water or brake shoes soaking can cause brake failure or reduced sensitivity, you should frequently touch on the brake pedal, depending on slight braking deceleration, while the heat from the brake the brake is baking in order to facilitate the recovery of braking performance, such as the urgency of the situation, apply Handbrake parking. 5. brake failure under: Handbrake parking should be used immediately, pull the hand brake not in one step, pull shall be adjusted where appropriate, step by step. Such as Handbrake failure quickly grab method is used to swap low-grade, and choose clear of obstacles, using force to stop driving.
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