@if this is the problem then u have to get like these thing from the given below: these can be completely fitted on ur dash:

Motorized, Double DIN, Touch-screen, 16:9 7" WVGA TFT Display
2000 MP3/2000 WMA playback capable
SAT Radio Ready, iPodĀ® Control Ready
CSO, X-DSP, Multi-CH Decoder, Intelligent Time Alignment
Dolby Digital Pro Logic II, and Karaoke capability
EQ7 with 52W x 4 High Power
4-Volt L/C/R/RL/RR/Sub Preouts w/HPF/LPF
Switchable White Key Illumination