Signum has been in production since May 2003. It differs from the Vectra-C mainly in terms of size and dimensions, which allows it to provide a level of comfort available for cars of a higher class. Vectra-C/Signum in relation to its predecessors has a higher level of ride comfort and a high standard of passive safety. The car became lower and wider, which made the interior more spacious. Thanks to the extensive use of zinc coating on the body, the car has a 12-year warranty against rust through. Maintenance intervals have been significantly extended. The ergonomics of the driver's seat is maximized with a wide range of steering column adjustments in two planes and the ability to adjust the driver's seat (including height), touch-type paddle shifters, built-in on-board computer and convenient location of power window control buttons. mirrors and audio system.
Note: On the models of the last years of production, the design of the front end was changed, the shape of the headlights, the hood and the decorative radiator grille, as well as the front fenders and the front bumper lining, were changed. In this regard, on these models, some of the operations for replacing the corresponding components of the body dimensions may differ from those given in this Guide.
On Wagon/Signum models, the front passenger seat in the rear seat (as an accessory) may be occupied by the Travel Assistant system. It includes two folding tables, a pair of sockets for12 V ashtrays, cup holders, a cooled box for drinks, as well as a place for a DVD player. The list of engines used is given in the Specifications at the beginning of Chapter 2. On the Russian market, gasoline models equipped with engines with working volumes of 1.6 liters are most widely represented (100. hp), 1.8 l (122 hp), 2.2 l (155 hp), 2.0L Turbo (175 hp) and 3.2 l (211 hp). Recently, models with more powerful engines have begun to appear - 2.8 l - Turbo (230/250 hp).
All petrol models are equipped with an electronic fuel injection system. All diesel engines are equipped with turbochargers and an electronically controlled direct injection system, some models are equipped with a common fuel distribution line for all cylinders («Common Rail»). Intercooler (intercooler), which increases efficiency. turbocharger is standard on all diesel models. To ensure the transmission of torque from the engine to the front drive wheels, the installation of a 5- or 6-speed manual gearbox is provided (RKPP), or 5-speed automatic transmission (AT) with Active Select or 6-speed AT - CVTronic. The brake system is equipped with a vacuum booster. Used disc brakes. All models have ABS. The front suspension is fully independent. Rear suspension - independent multi-link type. The original tire pressure monitoring function is provided. Additionally, on the Station wagon / Signum model, an automatic rear axle ride height adjuster can be installed.
Steering - rack and pinion, with electric hydraulic booster. Both series (Vectra-C and Signum) equipped with front and side airbags. Additionally, head airbags can be installed. An engine immobilization system is used to protect against theft. The standard infotainment system is equipped with a security code. To compensate for lateral accelerations and ensure accurate cornering, quick and precise steering response, reduced braking distances and maintaining directional stability in cases of emergency braking and maneuvering, the IDS system was used (Interactive Driving System - IDS). IDS can be supplemented with a dynamic stabilization system (ESP+).
Optional speed control system available (tempostat), bi-xenon headlights and adaptive front lighting system (AFL) with electronic adjustment of the direction of the light beam depending on the driving mode.
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