What to Do When the Service Brake Fails While Driving Downhill in a Motor Vehicle?

What does the Toyota Camry dual button mean?

The dual button on the Camry is for the dual-zone air conditioning control. Pressing the dual switch allows independent temperature adjustment for the driver's seat or the front passenger seat. Here are details about the dual function: 1. Function: The dual switch meets the different temperature requirements of passengers in two separate seating positions, enabling free adjustment between different temperature zones. 2. Definition: Dual-zone air conditioning refers to the ability to independently regulate different temperature areas within the cabin. For example, dual-zone systems allow separate temperature control for left and right sides, while quad-zone systems enable independent adjustment for front/rear rows and left/right sides (four independently controlled zones). The principle involves adding air vents to divide airflow into finer channels distributed through multiple mixing vents to different ducts. These mixing vents are controlled by independent controllers, though the system still uses a single compressor. Air conditioning zoning divides the cabin into temperature-controlled sections based on load analysis and cooling demand differences. The purpose is to enable the AC system to effectively track load variations, improve thermal comfort, and reduce energy consumption.

15

0

Share

Where is the handbrake located in the older Toyota Camry models?

Camry's handbrake is positioned at the driver's foot area, specifically the pedal to the left of the brake pedal (it utilizes a foot-operated handbrake system). The technical term for the handbrake is auxiliary brake, which differs from the main braking system in principle. It employs a steel cable connected to the rear brake shoes to apply braking force to the vehicle. Below are specific details about the Camry: 1. Vehicle positioning: The Camry is classified as a midsize sedan, with body dimensions of 4885×1840×1455mm and a wheelbase of 2825mm. 2. Powertrain: This model is equipped with either a 2.0L or 2.5L engine, delivering maximum power outputs of 131kw/6600rpm and 154kw/6600rpm respectively. 3. Transmission options: The vehicle offers choices between a 10-speed continuously variable transmission or an 8-speed automatic manual transmission.

14

1

Share

How does the Roewe i5 compare with the Geely Emgrand in terms of the three major components?

The comparison between the Roewe i5 and the Geely Emgrand in terms of the three major components is as follows: Engine: The Geely Emgrand is equipped with a 1.5L naturally aspirated engine, delivering a maximum horsepower of 109 HP and a peak torque of 142 Nm. The Emgrand's 1.5L JLY-4G15 engine is independently developed by Geely and features DVVT intelligent variable valve timing technology for both intake and exhaust, making it one of the leading engines among domestic brands. The Roewe i5 comes with two engine options: a 1.5L and a 1.5T, delivering maximum horsepower of 120 HP and 169 HP, and peak torque of 150 Nm and 250 Nm, respectively. These engines belong to the Blue Core series, co-developed by SAIC and General Motors, offering relatively good fuel economy and power performance, ranking among the top in domestic brands. Transmission: The Emgrand uses a 5-speed manual transmission and a CVT transmission. The CVT transmission is from the Belgian Punch brand, manufactured at the Nanjing Punch factory, which can simulate 6 "gears" and enable manual shifting, providing an automatic transmission at a low cost with decent overall performance. The Roewe i5's CVT transmission features main components supplied by Bosch and is independently developed by SAIC, while the dual-clutch transmission uses the VT2 product from Nanjing Punch. The CVT transmission in the Roewe i5 performs better in fuel economy compared to the dual-clutch and also supports manual shifting and simulates 8 gears. Chassis: The Roewe i5 adopts the same front MacPherson independent suspension and rear torsion beam non-independent suspension as the Geely Emgrand. This suspension configuration has undergone long-term market testing, ensuring overall quality with sufficient reliability.

3

1

Share

What is the appropriate valve clearance for the Camry?

The recommended valve clearance for the Camry is 0.19-0.29mm for intake and 0.38-0.48mm for exhaust. Below is an introduction to the Camry: 1. Overview: The all-new eighth-generation Camry facelift has recently been officially launched. The Camry 2.0L is equipped with a new TNGA powertrain, and a Camry Hybrid Sport version has been added. All models feature multiple advanced configurations that have been added or upgraded, while the prices remain unchanged. The eighth-generation Camry facelift comes with three powertrain options: TNGA 2.5L HEV, TNGA 2.5L, and TNGA 2.0L, including ten models across three series: Luxury, Sport, and Hybrid. All models meet the "China VI" emission standards. 2. Exterior: In terms of exterior design, the eighth-generation Camry offers dual styling designs for the Luxury and Sport versions, both inspired by Toyota's latest "Keen-Look" design language. The Luxury version features a large trapezoidal horizontal grille, a streamlined body posture, a lower waistline, and an extended rear roof section that increases rear headroom.

20

0

Share

What are the consequences of always using 92 octane gasoline for the Odyssey?

The Odyssey can use 92 octane gasoline. This octane rating is recommended in the vehicle's official owner's manual. In addition to checking the appropriate gasoline octane rating in the owner's manual, the Odyssey also has this information marked on the fuel tank cap. Generally, the octane rating can also be determined based on the engine's compression ratio. Vehicles with an engine compression ratio between 8.6-9.9 should use 92 octane gasoline, those between 10.0-11.5 should use 95 octane, and higher compression ratios may require 98 octane. However, with the use of new technologies, the compression ratio alone cannot determine the required octane rating, as high compression ratio engines can be tuned to use lower octane gasoline. Other factors, such as ignition timing, turbocharging technology, and Atkinson cycle technology, also play a role. Generally, the higher the octane rating, the higher the octane number and the better the anti-knock performance. 92 octane gasoline contains 92% isooctane and 8% n-heptane, while 95 octane gasoline contains 95% isooctane and 5% n-heptane. If the Odyssey occasionally uses the wrong octane gasoline, simply switching back to the correct octane after use is sufficient. However, long-term use of the wrong octane gasoline can have the following effects: For vehicles recommended to use lower octane gasoline, using higher octane gasoline will not cause damage, but the increase in octane number can change the fuel's ignition point, leading to delayed combustion in the engine. This reduces the engine's power output and thermal efficiency, resulting in poorer performance. For vehicles recommended to use higher octane gasoline, using lower octane gasoline can cause engine knocking. The significantly lower octane number reduces the fuel's ignition point, causing premature ignition during the compression stroke. If combustion occurs before the spark plug fires, resistance is created during the upward stroke. This resistance makes the engine run very unstably. Mild knocking only increases noise and does not significantly damage the engine, but severe knocking indicates serious engine conditions, affecting not only driving stability but also causing abnormal wear on pistons and cylinders, and in severe cases, cylinder scoring.

18

4

Share

Is the Land Cruiser's tire a domestic brand?

The Land Cruiser's tires are not domestic; they are Dunlop all-terrain tires. Below is some relevant information about the Land Cruiser: 1. Model: The Land Cruiser is Toyota's LAND-CRUISER 200, an imported ORV (Off-Road Vehicle) produced by Toyota. While inheriting the original design DNA, its appearance evolves with a 'freshness and advancement' style of the new era. It is a four-wheel-drive, hardcore off-road vehicle with a 2850mm wheelbase and four-wheel disc brakes. 2. Configuration: The Land Cruiser utilizes the latest technologies such as the Crawl-Control low-speed cruise driving assist system, KDSS kinetic dynamic suspension system, HAC hill-start assist control system, and VVT-i system, enhancing not only durability, reliability, and off-road performance but also achieving a higher sense of luxury and quality, making it a truly world-class SUV. Additionally, the LANDCRUISER 200 Land Cruiser expands its lineup from the original 4.7L model to include a 4.0L variant, offering users more diverse choices.

19

2

Share

What to Do When the Service Brake Fails While Driving Downhill in a Motor Vehicle?

What does the Toyota Camry dual button mean?

Where is the handbrake located in the older Toyota Camry models?

How does the Roewe i5 compare with the Geely Emgrand in terms of the three major components?

What is the appropriate valve clearance for the Camry?

What are the consequences of always using 92 octane gasoline for the Odyssey?

Is the Land Cruiser's tire a domestic brand?

What causes the inability to shift gears in a Buick Excelle?

Why is the Camry slow to start when igniting?

How many liters can a 55-liter fuel tank hold?

Should a New Car Be Driven at High Speed?